Se-eun is a janitor who is always the first to arrive at the pool where she works. One day, she runs into an old friend who is now a swimming instructor. As her friend prepares for maternity leave, she rekindles Se-eun’s forgotten dreams, sparking her attempt to transform her workplace into the field of her aspirations. This is a compelling story of a woman who turns her weaknesses into strengths. (KANG Sowon)