This is the story of Iris, a ballet dancer who is driven to start the search for Otis, an old friend she hasn't seen in years. Her investigations take her to a psychiatric hospital where Otis has been hospitalized for the past ten years. Once there, the people in charge of the center warn him that his friend has developed a mysterious alternative personality, which however they have managed to block thanks to drugs.

Between the walls of a white room, five people live in captivity and participate in a strange game. The players pursue one goal: to achieve the promised reward of going to the outside. One of them will have the opportunity to get it.