The female protagonist Shen Lu played by Jiang Yayan has been tormenting, bullying and even trampling Huang Bo for some mysterious reasons, taking the madness to the end. She uses various unpredictable means to "test" her boyfriend Huang Bo, staging a series of hilarious yet deeply touching scenes of "evil woman vs good man".
Chen Wen is an ordinary insurance company employee, honest and hardworking but with little appeal to women. Once when delivering documents to a customer, he met by chance a dirty mentally ill girl in the square.