 The storylines follow the footsteps of fast-talking, wisecracking Johnny Madero (Webb), who runs a boat shop on the San Francisco waterfront, rents boats and usually drops in for a weekly chat with Father Leahy (Gale Gordon).When investigating a crime, Madero manages to solve the mystery before tough cop Warchek (William Conrad).The supporting cast sometimes included Betty Lou Gerson, Elaine Burke, Bob Holden, Herb Butterfield, Irvin Lee and Herb Rawlinson.