No flashes, no bangs, no explosions or car chases, not even a slammed door. Just the high-pitched squeal, odd deep gurgle and long, slow whine from an increasingly malfunctioning toilet cistern.  Welcome to Sutton Box, an occasionally visited small police post which, due to an ill-conceived attitude, is now the working home of Merseyside's premier detective, Thurstan Baddeley, as he delves into the world of cold cases.