Paddy McGuinness hosts as 12 strangers begin a gruelling 18-day trek through the hostile tropical jungle of Langkawi, in Malaysia, to win a share of £300,000. But to keep the prize pot intact, they must resist the series of temptations thrown in their way. In the first episode, a custom-made swimming pool in the middle of the jungle, complete with canapés and champagne, proves too much for some to resist.