Comedian Max co-parents autistic son Ezra with ex-wife Jenna. Faced with crucial decisions about Ezra's future, Max and Ezra go on a life-changing cross-country road trip.

In rural Western Massachusetts, 11-year-old Lacy spends the summer of 1991 at home, enthralled by her own imagination and the attention of her mother, Janet. As the months pass, three visitors enter their orbit, all captivated by Janet.