Kim Mingyu has a girlfriend. His best friend Jeon Wonwoo doesn't, but he has a crush on Mingyu. He never knew how to tell Mingyu until he was introduced to his girlfriend. Everything was fine until they were at a party with the rest of their friend who had sworn they would end up together. What happens when they have a little too much to drink and start playing truth or dare? Will the truth come out and change everything or will it all smooth over?