In the 24th episode of TV series "1 1 Building Disappeared", Ma Xiaolu's assassination of placer gold failed, which exposed the fact that he was a mole. Knowing that he was doomed, Ma Xiaolu asked Qujiang to call his wife. On the phone, Ma Xiaolu carefully told his wife to have a good life. After hanging up the phone, he pointed the gun at his head. Fortunately, Qujiang reacted quickly and hit Ma Xiaolu's hand. At this time, the police also arrived.