Somehow 18

While Kyung Hee is a successful doctor, he is still hung up on his first love. She stopped him from killing himself, but took her own life. Years later, Kyung Hee is still looking for answers, wishing he could turn the clock back...

With just a few days until Han Na Bi commits suicide, Kyung Hee makes it his mission to protect and save Na Bi at all costs. But can he really change what's meant to happen?