Han Yeol makes it his goal to live alone for the rest of his life after getting dumped ten years ago by his first love Mi-rae; he works as a rehabilitation coach for baseball players, but while examining his star patient, he gets in trouble.

After a long thought, Yeol accepts Mi-rae's offer, so Mi-rae and Sa-rang move into his apartment; the real married life begins, but Sa-rang rejects him, saying that she refuses to accept Yeol as her father.

Yeol accepts Mi-rae's offer, so Mi-rae and Sa-rang move into his apartment; the real marriage life begins, but Sa-rang, rejects him, saying that she refuses to accept Yeol as her father.