She only learned one thing when she witnessed her boyfriend’s betrayal of her. The person who lies is the happiest. Because of the betrayal of love, he is no longer willing to talk about the "trust" research assistant Yu Zuo Le, Believe in the true faith of "the happiest person to lie," If lying makes people feel more comfortable, why not? Until she met her new supervisor, Gao Bajian, a psychologist who returned from the UK. Mu Youwen, who has been entangled in the nightclub. Gao Bajian does not understand the world, is obsessed with studying human nature, and repeatedly challenges the limits of Zola. Mu Youwen is like a former boyfriend who betrayed trust, and the omnipresent gentleness makes her sleepy. The distance between two men and one woman is just the right kind of mature love, or is there a fixed anxiety problem?