What is between Mom and Dad is only known to them.

A couple lives a normal family life with their two children, but their lives are suddenly turned upside down after they swap physical roles, where the wife becomes a man and the husband becomes a woman. Because of this, they find themselves in many funny situations and comedic ironies, and they discover different aspects of their marital relationship and the role of each of them in it, while trying to find a way to restore things to their original state.