Captain Jim Marsden (KANE RICHMOND) is wrongly accused of murder. He sails to the dreaded HAUNTED HARBOR in search of a man named Carter (ROY BARCROFT) who is the true killer now using the name Kane. En route Jim saves beautiful Patricia Harding (KAY ALDRIDGE) whose ship-wrecked boat is destroyed by a rock slide. Jim and Patricia team up and together with the Captain’s crewmen Yank (CLANCY COOPER and Tommy (MARSHALL REED) combat pirates, killers and even a sea serpent in Marsden’s quest to clear his name. There are plenty of thrills and action in this 15 episode cliffhanger from Republic Pictures.