After years of domestic life, Casey's famous mom is anxious to go back to her old life as a pop singer, without Casey. Devastated, Casey is left to keep the house running and care for her autistic sister, while her stepdad withdraws into his own private grief. To find comfort, Casey begins building fires to send smoke signals to her mother, hoping her mother will see her message. Soon the ritual fires won't be able to relieve her growing resentment. One day she won't be able to build a fire big enough to contain it all.