Having an Affair with Your Wife is about Thuy Tien, with her philandering nature, Gia Huy easily falls into Bao Lan's love net. When Thuy Tien discovered her husband was having an affair, she knew she was pregnant for the second time. During the argument, Gia Huy let his wife fall into the sea. Because of Bao Lan's instigation, he did not save Thuy Tien. The two returned thinking Thuy Tien was dead.