Nothing ever happens in August, and tenacious sleuth Kate Shackleton deserves a break. Heading off for a long-overdue holiday to Whitby, she visits her school friend Alma who works as a fortune teller there. Kate had been looking forward to a relaxing seaside sojourn, but upon arrival discovers that Alma's daughter Felicity has disappeared. It's up to Kate - ably assisted by Jim Sykes and Mrs Sugden - to discover the truth behind Felicity's disappearance. And they say nothing happens in August . . .