When the Stack family suffers some financial setbacks, daughter Mary Ellen suggests they buy a car and relocate to California. Unbeknownst to them, their used car is worth more than they ever could have imagined.

Rinty is a police-dog assigned to a young Scotland Yard police-officer who covers the Limehouse district of London.

A film projectionist longs to be a detective, and puts his meagre skills to work when he is framed by a rival for stealing his girlfriend's father's pocketwatch.