Sig fights to survive a massive heart attack. Bill learns a dark secret about his son Zack. On the Corneila Marie, Josh fights to prove himself. Jake learns a valuable lesson and Johnathan appeals to the gods.

A massive heart attack forces Sig Hansen to face serious decisions about his future. Sig works to repair his body and his boat while a stress-packed career and lifestyle in the early days of Alaskan crab fishing is examined.