The seaside town of Roxham sparks to life only in the summer. So, to skim the cream off the season's spoils, the local boys put their "System" into operation. Through a carefully worked out plan the boys (David Hemmings, John Alderton & Andrew Ray) spot the pretty girls arriving on holiday. They then board the weekend train at a station up the line. Their leader, Tinker, a happy-snaps cameraman (Oliver Reed), photographs the girls to find out where they stay, and then through a rota sytem, with fair shares for all, they each select a girl to pursue...