Master welder Dennis Butts and his team must make an emergency trip by plane to repair a crack in the hull of the Marcy J. Can they make it in time before the engine room completely floods? Then, Kodiak’s only hydro-electric plant has an emergency shutdown that could cause a major blackout in the middle of the Alaskan winter. Dennis and George rush to make the tricky repairs to this one-of-a-kind turbine part. Meanwhile, office manager Theresa enlists Scottie’s help to teach a deadbeat captain a lesson he will never forget.