London Police psychiatrist Dr. Emilia Priestly needs to take a relaxing break from her stressful job, so her wealthy friend invites her to Mystery Island, an immersive murder-mystery-themed resort hosting a special retreat for the original investors. As the mystery game begins, tragedy strikes when the resort’s reclusive founder is murdered. Emilia “partners” with local detective Jason Trent to investigate.
Mystery Island hosts contest winners vying to solve a fake murder for a grand prize, but the event goes awry when an employee is murdered, and secrets are uncovered.
Mystery Island hosts a corporate retreat with a guest being Emilia's ex-fiancé. Old feelings become complicated, tensions run high, and allegations arise when a guest is found dead.
Mystery Island success raises plans of expansion, and the Island team meets their Mystery Mountain counterparts for a friendly murder game, but the fun ends with a murder in plain sight.