Yun Ji Su and Kang Han meet on the swim team, where Ji Su is initially treated as an “errand boy” by the capricious Kang Han, leading to a rocky start between them. However, as they gradually grow to care for each other and protect one another in times of crisis, a special bond begins to blossom.

This is a youthful sports BL love story about two individuals who, amidst competition and pain, come to see each other’s true feelings and grow together.