It's summer at last! And the mysterious Agency for Creative Enterprise has packed Whiffy and his father off on an all-expenses-paid holiday to sleepy Marble Beach so that Dr Newton can finish testing his latest loopy invention, The Hydrolator. But Marble Beach's residents are being terrorised by a fiend who strikes at the worst time and place - dinnertime and in the vicinity of Marble Beach's only fish and chip shop. Can...