Zhao Feng accidentally catches his wife Zhang Li having an affair with Zheng Lei. By coincidence, he gets to know Zheng Lei's wife, Lin Xiao, and the two discover their partners' betrayal, forming an alliance. Step by step, they set traps, feigning ambiguity and testing them through banquets, utilizing business cooperation and anonymous threats to continuously pressure the unfaithful pair. Zhang Li unexpectedly gets pregnant, and she and Zheng Lei shift the blame onto each other, even attempting to frame others, but step by step they fall into the trap. On their wedding anniversary, everyone exposes the scandal in public, and Zhang Li turns on Zheng Lei, leading to endless farce. After the conspiracy is exposed, the cornered Zheng Lei and Zhang Li actually capture Lin Xiao.