Seok, who wants to try perverted sex, pesters Hyun-jin every day, but Hyun-jin rejects it saying she only like normal things. And then one day while delivering chicken, he found So-ra and Hyun-soo, a couple who enjoys delivery exposures. Frustrated as he is with Hyun-jin, he starts neglecting her and became more and more hooked with the So-ra couple. To recover their relationship, Hyun-jin goes on a date with Seok. But then a call came for him. The couple invites him for sex. Will he be having a date with his wife, or will he accept the invitation he may only get once in a lifetime? What would be his choice?

So-ra, a woman who lives day by day meeting conditions. Hyeon-soo, a man obsessed with women's scent. Upon Hyeon-soo's suggestion to sponsor her, So-ra maintains a lover-like relationship with him. Sora and Hyeon-soo as couples seduce men for fun, enslave them, and then destroys families. Once, while seeing a happy couple in a chicken restaurant, So-ra felt jealous and wanted to break that happiness. So-ra and Hyeon-soo decide to seduce the husband and brings him to their guest house after several delivery exposures. In the end, the couples swap together with Seok and Hyeon-jin at a chicken restaurant. Can Sora's plan succeed to destroy ordinary couples?