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.

Dr. Mi-Soo misdiagnoses a patient after she meets the woman's husband, whom she assumes to be abusive. With his wife in grave condition, the man sues the hospital. Kang-Il is a widowed firefighter who overhears the situation and when he attempts to counsel the woman's husband, he is assaulted by him. When Mi-Soo learns about the confrontation, she tries to get Kang-Il to be a character witness for her and realizes that he may also be her true love.