Nome Harbor's ice is melting and the miners brave dangerous conditions to get on the gold. Zeke runs into trouble after he drops his weight belt while diving and no one is around to help and a fatigued tender over at the Lazy Gator camp does not respond to his diver's cry for help. On the Shamrock, Cody suffers a season-ending injury causing Shawn to send in his greenhorn as a substitute diver.