An Affair: My Wife's Friend 2.

Hyunsoo is lodging at the house of his senior worker, Hyejin. Hyejin has a husband Sang-woo, but in fact, it is an affair with Hyun-soo who makes love secretly. Hyeon-ju, a friend who had been lodging at Hyejin's house before Hin Pyeon, also beats his job and comes in with a pack of luggage. In the end, Hyejin, Sangwoo, Hyunsu, and Hyunjoo. Four people's uncomfortable but dizzying cohabitation begins...