An ex-con, on parole and trying to straighten his life out, decides to resume his boxing career when one of his prison enemies escapes and kills his girlfriend.
A private investigator who works when he wants, lives in a beachfront estate in Hawaii, drives a posh Ferrari, runs up an unlimited tab at a swank bar, and charms attractive women in peril - that's the lifestyle of Thomas Magnum, aka Magnum, P.I.
The adventures and misadventures of Tom and Huck on the Mississippi River in Missouri with their involvement when they fall in with a gang of con artists, take up with a ragtag circus, help a freed slave buy his sister's freedom, and then see a dastardly villain get her.
