To find the killer of a beloved teacher at a swanky private school, Frankie enlists the help of a precocious student.

Maz’s sister comes to Angie for help recovering an aquatic creature that’s gone missing from Ripley’s Aquarium.

Dr. Ogden and Enid compete to nurse the injured Murdoch back to health, as in his delirium he begins to suspect his landlady of planning a murder. Meanwhile, Constable Crabtree…