Junior partner at an upmarket casino. Receives a romantic pocket watch from Nelle, passes it to Harriet Hobson to return, which triggers a murder chain. Falls in love with Harriet's sister Nancy, attempts to flee to protect her, survives a drive-by shooting, kills Guido in self-defense, and ultimately surrenders to the police.
Koch leads the investigation while Johnny is the primary person of interest.
Johnny uses Harriet as a messenger to reject Nelle, creating an indirect romantic entanglement.
Explore the full interactive character relationship map of Johnny O'Clock