He Renyi is a software engineer from Silicon Valley in the United States who returned to China to start his own business. A chance encounter led him to meet his two great-nephews. Three amateur detectives work closely together to obtain the cockpit tapes of the plane in distress. Overnight, they also became hunted fugitives. When He Renyi's life was threatened, it was Luo Yanfang whose marriage was on the rocks who dared to come forward to help and support him. When He Renyi was desperate to solve the case, an idea suddenly appeared in his mind. This idea led to a new round of battle. . .