Ethan finds the box tucked under her bed, and the key lay in his hand. His mother wouldn't have known she'd never make it home that day. Already heavy with such a tragic loss, Ethan leans into his uncle for support. The box though, the letters inside are for someone Ethan has never met. Those letters from Summer take Ethan on a journey to finding himself, his roots, and the future she wanted for her son. What is family, what is life after loss? What does it mean, after eighteen years, to meet the father you never knew you had?