While working as a deck hand on a charter boat, a company believes the skipper left the country after embezzling cash and securities. The police decide to use an agent as the boat's replacement skipper since the next passenger is the embezzler's wife who intends to meet up with him in Mexico. The police also decide to investigate the mysterious deckhand since he has no background.

After being shot, Kimble is reunited with Sister Veronica, whose help he needs to track down a lead about the one-armed man.