Anthea Turner, Professor Green, Eddie Hall, and Shazia Mirza attempt to spend five days in solitary confinement.
Professor Green, Anthea Turner, Eddie Hall and Shazia Mirza enter the isolation pods.
As some participants are punished for non-compliance, they receive letters from home to comfort them. But one presses the escape button and leaves the experiment.
Stakes are raised for the final hours as the water, electricity and even the lights are turned off. Can the participants see out the remaining time?