Set in one of the harshest environments in Alaska, master welder Dennis Butts and his crew have one of the most dangerous welding jobs anywhere. The series follows the emergency response welders of Quality Marine of Alaska who work around the clock to prepare Kodiak’s fleet for a new fishing season. A giant storm looms on the horizon and underwater welder Duke must brave the icy waters. "Will he be able to make the repair before his air runs out?" Later, the team is called to save the day when a local cannery unexpectedly shuts down. But the problem turns out to be worse than expected.

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.

In the final episode of ALASKAN STEEL MEN, Dennis Butts and his team of master welders find themselves caught up in a series of major white-knuckle crises. A barge off the coast of Anchorage is leaking after getting struck by a large chunk of ice. Dennis and fellow welder Scottie rush to the scene, but the repair goes terribly wrong. Can they fight against the surging seawater and make the repair before completely sinking? Back in Kodiak, Cooper gets his first assignment and is forced to work with a demanding skipper. Meanwhile, office manager Theresa teaches Dean how to settle financial disputes face-to-face. But while driving to see a customer, the two get stuck in deep snow on a remote mountain with no help in sight.