A sailor and his captain fight over a beautiful girl.
A college student takes a break and goes out to sea with his father, the captain of a shark-hunting boat. When his inexperience results in an accident in which his father and a crewman are badly injured, he tries to make up for it by rounding up another crew and going back out on the hunt. However, things don't turn out quite the way he planned.
Nick Cherney, in prison for embezzling from Torno Freight Co., sees a chance to get back at Johnny Torno through his young priest brother Jess. He pays fellow prisoner Rocky, who gets out a week before Nick, to murder Jess... who, dying, tells revenge-minded Johnny that he'd written a clue "in the Bible." Frustrated, Johnny obsessively searches for the missing Gideon Bible from Jess's hotel room.
After a whirlwind romance in Mexico, a beautiful heiress marries a man she barely knows with hardly a second thought. She finds his New York home full of his strange relations, and macabre rooms that are replicas of famous murder sites. One locked room contains the secret to her husband's obsession, and the truth about what happened to his first wife.