Trotters' Independent Trading Company has been forced off the market, with the continuing downpour keeping most of Peckham indoors. While drowning their sorrows in The Nag's Head, Alex the travel agent mentions that business is slow and he can't give holidays away at the moment. As a promotional gimmick, Del suggests offering an 80% discount on a holiday to the next customer in the shop - and who happens to walk by, but Derek Trotter. Having sold sun-hats in the rain, Rodders has managed to earn some travel cash, but he is dismayed to learn that the 80% discount only ...