Korean War, winter 1950. In the frozen and snowy area of Changjin Lake, a bloody battle is about to begin between the elite troops of the United States and China.

Lao Cui, a good-for-nothing but kind-hearted man running a Chinese restaurant in Cyprus. He comes home to Beijing only to find his wife cheated on him, pregnant with his best friend's baby. Devastated, Cui's misfortune is further compounded by the news that his business partner is going to sell his restaurant. Before he flies back to Cyprus, Cui bumps into a sassy girl named Xiao Xia, and his real nightmare has only just begun ...

Zheng Yaokun was arrested by police for an illegal deal with the cultural relics dealer Zhu Laowu by blind means. The cultural relics accidentally fell into the hands of designer Li Jun when he fled. From then on, a crazy game in which Zheng Yaokun looked for Li Jun, Zhu Laowu looked for Zheng Yaokun, and Li Jun assisted the police in handling the mantis catching cicadas and cardinals.