i read that they surprise them and make them start the night before they think they are supposed to - apparently they take them on a dinner cruise, which they are all dressed nicely for, them surprise them after dinner by telling them they need to jump of the boat and swim to the island in the clothes they are wearing - suits, party dresses and all - one of the girls is said to be wearing a sundress with nothing else...
having to sleep outside with no underwear...gross.