After three years of marriage, his wife Su Meng insists on being a "DINK", and her husband Lin Feng has always respected and tolerated her. However, an unexpectedly discovered photo tore apart the peaceful life - not only did Su Meng not have DINK, but she also had a child with her ex-boyfriend, and her monthly "business trip" was actually to visit them. The moment trust collapses, love turns into extreme hate.