In 1984, the former mayor of a small upstate New York town was found dead in his car with a young girl. In the aftermath, his wife and his adopted daughter have to make sense of this situation, while a detective from out of town tries to solve the case.

Tennis player turned coach Tashi has taken her husband, Art, and transformed him into a world-famous Major champion. To jolt him out of his recent losing streak, she signs him up for a "Challenger" event — close to the lowest level of pro tournament — where he finds himself standing across the net from his former best friend and Tashi's former boyfriend.