Su Ya, a young, beautiful and successful interior designer, has an exquisite life with the perfect husband Zhou Zhe, but in fact she has been subjected to sophisticated psychological manipulation and mental abuse by her husband for a long time. Su Ya found an old mobile phone in her husband's study, which contained a large number of photos and information about Zhou Zhe's ex-girlfriend Lin Wei, as well as morbid notes about "control and training".
Su Ya began to secretly discover Lin Wei's whereabouts...