 While fixing Mrs. Brown s TV antenna, Tim accidentally cuts a live telephone wire which hits Martin, in turn turning him into a live telephone. Martin has to figure out how to disconnect himself back to normal before Mrs. Brown and Det. Brennan (who was called in to find Mrs. Brown s pocketbook) stop buying their explanations for the telephone ringing and mysterious voices. But before he does, Martin and Tim overhear on Martin s telephone a plot to steal the Vandeleer diamond. Now how to pass on the information to Det. Brennan without telling from where the information came.