After a major armored truck robbery shocks the country, all police clues point to the matrilocal husband Xiaobao and the stubborn father-in-law Zhao. As the police investigation progresses, the father-in-law and son-in-law, who despise each other, have to work together to prove their innocence. Battling the police and the robbers, they muster up their courage and wits in this life-and-death struggle...