Synopsis

In the spacious loft, Richard imparts instruction to Kevin on the intricacies of leaky valves and their repair. Meanwhile, Tom journeys to Waltham, Massachusetts, where he assists homeowners David Anderson and Alicia Beneteau in replacing a weathered, rusty cellar door with a modern fiberglass one. Returning to the loft, Tom, Richard, Roger, and Kevin engage in a discussion, pondering, "What Is It?" Subsequently, Roger lends a hand to Christine Dinardo of Carlisle, Massachusetts, helping her fix