Ex-navy Underwater Demolition Team Officer Mike Nelson continues his skin-diving as a postwar profession, combining mastery of the SCUBA and spear with a flair for dangerous investigation.
Reckless Gracie Bond enrolls in Mike's class for skin-diving instructors. She promptly flunks out. Vengeance bent, she invites Mike on a dive to an underwater cave. Gracie lets half the air out of Mike's tank, then waits for the chance to save his life.
S2E29 26 min
