Four-year-old Grace Hamilton has leukemia. Her parents, Amy and Forest, purchased their home to be closer to Grace's hospital for treatments, but it turns out that the new house is riddled with mold. The Catastrophe Inc. team, Joe Charboneau, Ed Ranieri, Enzo Maddalena and Kari Openshaw swoop in to eliminate the toxic mold and completely remodel the kitchen and little Grace's bedroom and playroom?. turning this nightmare house into a dream home. Grace's treatment room in a local hospital also gets a surprise spruce-up.