Mike Hammer's partner Velda has walked out on him, and Mike is just surfacing from a four-month bender. But then Pat Chambers reveals that Velda is in Florida, the moll of gangster and drug runner Nolly Quinn. Hammer hits the road and drives to Miami. But can he find Velda in time? And what is the connection between a murdered vice cop in Manhattan, and Velda turning gun moll?