Football pools winner Harry and his friend Spike go on holiday to the small Brighton guest-house they've long frequented for their annual break.

Already resident are two young single women, Christine and Sheila. Christine in particular has her eyes set on a very particular prize when she hears of Harry's imminent arrival. Sheila's a little less eager, but certainly wouldn't mind a bite of the cash.

Meanwhile, news of the win has also reached gentleman crook Alfred Haynes and his master-forger 'business' partner, the bad-tempered Graves. The pair depart for Brighton immediately, intending to swindle Harry out of his legitimate winnings...