After Zhou Quan, who had just graduated from college and was unemployed, was kicked off the street by his landlord, his good friend Xiao Ping came to the residence of his girlfriend Ling Susu, and the two of them disappeared inexplicably. However, Zhou Quan was taken away by a man in black. He thought his life would fall into darkness from now on. However, after Zhou Quan agreed to be the guarantor for debt repayment, he not only got his job, but also became popular with his boss and female colleagues. Is this real good luck or just a temporary mirage? Why do I, who obviously want to find a girlfriend, care so much about her cohabitant Tang Yu, who often doesn't give me face? Is it redemption or love? Among the men and women who come and go around, who are the enemies and who are the friends?