A young couple’s love is tested when Sun-jin is diagnosed with a rare form of Alzheimer’s disease.

The Lotte Giants’ Choi Dong-won and the Haitai Tigers’ Seon Dong-ryeol are rival pitchers in 1980s baseball. The film reenacts the legendary match of May 16, 1987, which baseball fans today still recall as “the perfect match,” when Choi and Sun compete as pitchers for the last time.