Jungeun is curious about sex—how does it feel? Is it as good as other people say it is? So, Jiwoo helps her out, and if they accidentally make love, so what?
Two and a half years later, twelve women gather in a mountain house for one last weekend together. Someone has a secret. Someone has a confession. And the man who built an empire to protect them all has to learn the only thing they ever needed was for him to stay.
After losing his job and everything that came with it, he's left with two boxes and a borrowed apartment. The girls aren't letting him stay that way for long — and one of them isn't leaving at all.