The retired military king Li Xiu had been enjoying a stable life working at the power supply bureau, but unexpectedly, he got entangled in a bank robbery drill. On the day of carrying out the task, his father-in-law suddenly pressed him for the bride price. With no other choice, Li Xiu took his father-in-law into the bank. His father-in-law was instantly dumbstruck, and the dispatch of Detective Sun Guang from the police bureau made the situation even more unpredictable. Could Li Xiu successfully complete the "task"?