Seojin has been in love with his best friend, Jei, for 15 years. So when Jei announces his engagement, Seojin can’t hide his feelings any longer and flees to Korea. But Jei, determined to understand why Seojin left, follows him. Now living together in the same apartment, Seojin’s emotions spiral. He wants to move on, but being so close to Jei makes it harder than ever to let go.