Let out on remand from prison for a crime he didn't commit, Marker relocates to Brighton and finds that adjusting back to normal life is harder than he first thought.

Marker gains employment on a building site and exposes a swindle by a rocker.

A pay packet is stolen at the building firm where Marker works, and he finds himself under suspicion by both his workmates and the local police.

Marker tries to save a fellow lodger who tries to kill herself.

Marker joins a local detective agency, and has to gather evidence to help a man accused of murdering a local garage owner.

Marker has to find a runaway who has come to Brighton in search of fame and fortune.

Marker decides to re-establish his own enquiry agency.