So-hee and Lee-soo are same-sex friends for 10 years. So-hee is taken aback by Lee-soo’s sudden confession. After receiving the confession, So-hee keeps thinking of her even while in a relationship with her boyfriend, and eventually realizes that she can love a woman too and confirms their love for each other. She asks So-hee to feel the same way and has her sleep with So-hee and watch it.