The hull of a high-tech oil tanker takes a beating from the barrage of massive icebergs in the Arctic until it is ripped apart, causing a major oil spill. The Rescue Heroes are quick to respond to the disaster, utilizing the expertise of Jack Hammer to do an underwater construction and repair. The task proves more difficult and time-consuming than Jack had anticipated, and he learns that it is more harmful than helpful to push himself too hard to get a job done when it can be accomplished just as well with the help of others.