In early 1970s Harlem, daughter and wife-to-be Tish (KiKi Layne) vividly recalls the passion, respect and trust that have connected her and her artist fiancé Alonzo Hunt (Stephan James), who goes by the nickname Fonny. Friends since childhood, the devoted couple dream of a future together, but their plans are derailed when Fonny is arrested for a crime he did not commit.