Lain wakes up in an elevator dressed as her favorite comic book hero with no memory of how she got there and enters a strange desert where she meets a thirteen year old boy dressed as an astronaut.
Lain learns more about the astronaut boy in a mysterious library and they are joined by a new companion who helps them escape another of Limbo's many traps.
Lain and Colin must survive their most terrifying ordeal yet. Lain meets Gabriel and learns the truth about the world of Limbo, Colin, and how they both got there.
Lain and Colin find themselves in a dark scene from a sci-fi movie they were both scared of. They then become separated after the elevator drops them in a silent forest. Lain regains more memories about her relationship.
Now separated Lain and Colin find themselves at a bizarre party filled with Colin's fragmented memories and they struggle to find each other again.
Lain faces off with the King of Limbo as Colin struggles to overcome his own obstacles to find her.
Colin and Lain are reunited and their bond is proven stronger than ever. Lain's remembers more about her love and another door takes them to the unlikeliest of places.
An angry Raef traps Lain and Colin separately with their oldest fears as he works to break their spirits. Lain finds new strength in herself and Gabriel makes a decision.
Colin and Lain fight to escape Raef and his NoPlace and the MerryGo must make an important choice.
Lain and Colin have joined forces again but are still surrounded by Raef's dark minions. They battle to save each other and start to realize exactly where they're headed.
Lain and Colin come to where they first met and Gabriel explains to her the true price of this ordeal.