Rival newspaper reporters Pat Morgan and Ted Rand find themselves unraveling the mystery behind the death of a millionaire philanthropist who fell from his penthouse balcony. When it is discovered that the plunge was not an accident, the building's residents come under suspicion. Soon, the body count begins to mount as three more murders occur by strangulation.
Four survivors of a ship wreck are stranded on a deserted island, including a woman and the man she believes is responsible for the murder which her brother is in prison for.