In a secret Temple far beneath the city of London, an immortal knight and a Demon battle for possession of a key that can open a doorway to Hell.

Buster Keaton gets involved in a series of misunderstandings involving a horse and cart. Eventually he infuriates every cop in the city when he accidentally interrupts a police parade.

Botany major Buster mistakenly graduates in electrical engineering and is hired to wire a new home.

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.