Marine scientists in Florida hire engineers Nicolas Derouin and Arnaud Luguet to create a first-of-its-kind floating home. They have nine months to complete it, but unpredictable weather and building hiccups may sink this project before it can swim.

Professional treehouse builder Michael "Murph" Murphy wants to build a cottage retreat for his family in Washington. He enlists his friends to create a natural siding and a massive fishing net for lounging above the living space.