Celia Green and her husband Malcolm are the founders of a fitness empire and among San Francisco's wealthiest citizens, but Celia feels that something in her life is missing. She gathers her two adult sons and their partners for a rare visit at their vacation home at Lake Tahoe over the Labor Day weekend. Celia finds herself torn between the house and its memories, and her desire to move forward with her life. On Saturday morning, an accident threatens to unhinge Celia's meticulously devised plans, and during this catastrophe, Celia must decide whether she is ready to let go of the house.