Gary Lineker puts ten celebrities to the test in a challenge competition with a twist - there are no rules and no instructions.
True colours emerge as the celebrities face individual and team challenges. A mystery box offers an advantage, but two face the Duel and only one can survive.
Mind and body are tested as celebrities tackle terrifying challenges. Who will keep their nerve and escape the Duel?
The time for friendship is over as mistrust spreads, sabotage is suspected and a familiar face returns to shake up the game.
As the celebrities continue their voyage into the unknown, risks are rewarded, a mystery box returns and one decision sends shockwaves through the group.
Tempers flare and a friendship shatters as five celebrities fight for a semi-final spot. When Gary reveals the duelists, the stage is set for an epic showdown.
With four left, the semi-final heats up. Perplexing challenges, a vengeful decision and a daunting duel push the celebrities to the limit. Who will reach the final?
