After Milo tries to steal money from his own company company, his business partner learns of the plan a tries to figure out what to do. Gene turns up dead, and no one ever suspected Milo. Columbo comes to investigate.
Madison is charged with illegally selling narcotics when it's discovered her prescription pads have been sold. Meanwhile, a medical student murders his pregnant girlfriend to marry the daughter of one of Mark's wealthy friends.
Internet sensation and old family friend of Aurora Teagarden, Poppy Wilson, has returned to Lawrenceton to start her new embroidery business. But not everyone is happy with Poppy's success when she turns up dead.