Twenty contestants arrive at a castle in Scotland to play the ultimate murder mystery game; the Traitors are chosen as the prize pot starts building, but one Faithful player won't make it through the night when the Traitors plot their first murder.
With suspicion rife after the first murder, the Traitors attempt to keep their cover; the mission sees some players meet an early grave; the first player is banished at the round table.
A surprising victim is next on the Traitors' murder list; the bells toll to make money for the prize pot; another player is banished in a fiery round table; one Faithful makes a dramatic discovery.
Cracks start to show in the treacherous trio as the pressure of the game begins to weigh on one of them; home truths are told in the Carnival of Chaos; two more players are murdered and banished.
One Traitor brings suspicion on themselves; an ecclesiastical mission gives the players a chance to raise the prize pot over $100,000; murder and banishment hit two very unexpected victims.
The players are thrown a vital lifeline, but for three of them, being on trial puts them even closer to murder; Kate rallies against the others during a mission that pushes everyone to the limit; suspicions mount on one Traitor in particular.
A Traitor's mask is at risk of slipping, with suspicions flared at the round table; the mission sees the ghosts of former players return to the castle; the ultimate plot twist is revealed in the Traitors' turret.
One player has the ultimate decision to make; a tall tale brings suspicion on one Traitor; the players engage in a harrowing mission while on a trip full of creepy cabins; the most brutal round table so far.
During the penultimate day in the castle, the players can add to the current prize pot of $168,800; with the end in sight, alliances are broken and trust between the Traitors is questioned.
On the final day, the players are steps away from the prize money; the ultimate mission and the final round table banishing occur; the surviving players gather at "The Fire of Truth," where either the Traitors or the Faithful will win the prize pot.
Alan Cumming and the cast of "The Traitors" settle the score on all of the deceptions, murders, banishments and treachery in a reunion hosted by Andy Cohen.
The ultimate game of deception is back as an all-star cast descends on the Scottish Highlands. The Traitors are chosen, but there's a twist. The players start building the prize pot for the Faithful to share or the Traitors to steal.
Treachery continues in the Scottish Highlands as the Traitors attempt to complete their lineup and commit their first murder. The mission to build the prize pot reveals some hard truths, and the first player is banished from the game.
The Traitors are given a daunting task for their next murder. A dark mission ensures the players keep working on the prize pot. The Faithful continue to attempt to banish one of the Traitors.
Murder most foul continues, but this time the Traitors must kill in plain sight; a deadly mission sees a player take their last breath in the game; a dramatic round table leaves the next banishment hanging in the balance.
Alan's castle in the Scottish Highlands welcomes a new arrival; the Faithful have a cunning plan to fight back; one of the Traitors is in the hot seat.
A breakdown in trust between the traitors which leads to back-stabbing, vote-flipping, and the pressure to recruit one of the faithful over to the dark side.
Death is still in the cards as The Traitors discover whether their attempt at seduction has been successful. The Faithful gun for another Traitor, but their plans may not pay off. Alan has a deadly surprise for all the players.
As the Faithful's numbers continue to decrease, the Traitors find their backs against the wall; a special guest appears during a beastly mission that proves to be too much for some players; a Faithful is given an ultimatum that could be fatal.
With only a few more days for the Traitors to remain undetected and win the game, a Faithful and a Traitor go head-to-head; one Faithful must decide their fate after being given an ultimatum; shots are fired during the mission.
With only seven players remaining in the competition, the Faithful seem to be closing in as doubt about one Traitor spreads among even their most ardent supporters.
With their trust shaken, the Traitors must decide how to move forward; a dangerous move threatens to backfire, and the coffin theory surfaces once more; at the round table, the limits of an alliance within the Faithful are tested.
With tensions in their tower at a breaking point, the Traitors must still work together; two dangerous Faithfuls start to hatch a plan, but it could backfire.
The Faithful are circling as they try to catch their prey; at night, the Traitors must commit their murder face-to-face in the most dramatic send-off the castle has ever seen.
Another new all-star cast arrives in Scotland under the cover of darkness for the ultimate game of deception and the chance to win up to $250k; the cards of fate are dealt, secrets lurk in the shadows and the game starts faster than ever before.
Secrets surround the castle; the first Faithful is murdered, the mission causes friction and some overwhelming evidence is brought to the round table; the pressure is on as the Traitors must commit their next murder right under the Faithful's noses.
The Faithful are given an early chance to avenge the Traitors' latest murder; the stakes are higher than ever in the mission, as the players must put their lives in the hands of the person they trust the most; a brutal end awaits one Faithful.
A fiery mission results in several players up for murder; one player has some damning evidence, while another reveals their suspicions to the wrong person; there's a big swing at the round table and the Traitors feel the weight of their decisions.
The day's mission offers the chance to stop a murder, but only if the Faithful stick together; after an explosive roundtable, one Traitor is under heat from an influential player.
The Faithful plan a coup and one Traitor is accused to their face; the roundtable brings difficult decisions; with the temperature in the turret at its boiling point, the Traitors must pull off the bloodiest murder the castle has ever seen.
A bloody banquet shakes the whole castle; Traitor trust teeters; the mission means a trek to the epic Fyrish Monument, where one player wins a great power; alliances are tested at the roundtable.
While the temperature rises between the Traitors, a strategic murder shakes the castle; alliances are tested and a heated conversation makes for a simmering roundtable; one player has an impossible decision to make.
While a new alliance is tested, suspicions force an old one into the spotlight; the mission puts the Traitors under pressure and one player receives some unwanted attention; the creepiest murder yet is about to be sprung on one of the Faithful.
With a place in the final at stake, emotions run high as friendships are tested to their limits; new suspicions run through the castle; the mission gets the players' heads spinning and one Faithful goes down in flames.
In the final day in the game, the players must make a leap of faith; doubt and paranoia run through the castle as attempts are made to sway allegiances; Faithfuls and Traitors vie for the prize.
In this reunion episode hosted by Andy Cohen, the cast of "The Traitors" come together to discuss the backstabbing and betrayal of Season 4; accusations fly and grievances are aired as the players reflect on their time in the castle.