Middle-aged Lao Zhao (played by Ma Shuliang) and Lao Luo (played by Huang Bo) were old comrades who had served in the army together. Lao Zhao invested in real estate and borrowed money from Lao Luo and his relatives and neighbors. As a result, the house became an unfinished building and the initial investment was wasted. As a guarantor, Lao Luo was under tremendous pressure from relatives and friends, and his relationship with Lao Zhao became extremely tense. Due to Lao Zhao's denial, Lao Luo was forced to divorce his wife, and even his son Luo Yi (played by Du Haitao) had complaints about him. In order to recover his own 400,000 yuan, Lao Luo lived in seclusion and prepared to use high-tech means to invade Lao Zhao's company and steal cash. On the night of the full moon on the 15th, he pretended to make an appointment with Lao Zhao to reminisce about the past, but in fact he planned to stun the other party and go out to steal to create an alibi. But man proposes, and several unexpected events destroyed his careful plan...