The widow Yeung Lau-giu has an affair with a yamen secretary Chun Saam-fung. He murders his sick lawful wife so that Lau-giu can pose as his wife and follow him to his new post in Lin’an, leaving behind an embroidered shoe and a headless corpes. The county magistrate rules that Lau-giu was murdered by Lau-giu’s sister-in-law and her lover, Yuk-kwai and Tze-hing. Tze-hing’s teacher, Zor Wai-Ming, rushes to Suzhou to save him. One night, a female ghost leads Wai-ming to a poplar tree where he digs out a severed head. Wai-ming finds out from Yuk-Kwai that the head does not belong to Lau-giu and that Lau-giu has an affair with Saam-fung. Wai-ming has Saam-fung transferred back to Suzhou. Yuk-kwai immediately recognises Saam-fung’s “wife” as Lau-giu, her widowed sister-in-law. The investigation shows some promise and Wai-ming has a plan in mind…

Liu Yanchang falls in love with Holy Matron at a temple on Mount Hua and inscribes a poem on its sash. The Holy Matron is moved and falls for him too. Erlang is enraged when he finds out that his sister has married a human and gave birth to a son named Chenxiang. Erlang orders Howler to steal Holy Matron’s lotus lantern. He then leads an army to arrest the family. Fortunately, the Immortal Thunder intercedes. Hence, the father and son are spared but Holy Matron is imprisoned underneath Mount Hua for violating the laws of Heaven.

Yanchang remarries and has a son, Qiuer with his new wife Huang Guiying. One day, the brothers stand up for their classmate and accidentally kill the Great Preceptor’s son. Guiying surrenders Qiuer, her own son, to the Great Preceptor. Chenxiang is told about his true parentage and sets out to rescue his mother.

Since losing contact with her husband, Ngai Hei Yin, Tong Tze Heung has been residing with her brother King Wai at Fong Yan Kit’s home. King Wai is suspected of participating in the resistance effort against the Mongols, and is under investigation from none other than Tong’s own husband, Ngai. Re-united by chance after a long separation, Ngai wishes to rekindle their relationship, and so issues a pass for her. Aided by Siu Kuen and her brother, Lik Hang, King Wai are able to intercept key intelligence. In the process, Tze Heung learns that her husband has turned traitor and become betrothed to the daughter of General Temur.

The intelligence, as it turns out, was actually disinformation sowed as a ruse to uncover resistance personnel. As a result, Siu Kuen and King Wai are rooted out and put under interrogation and torture. Tze Heung ventures into the command post and, employing considerable wit, forces her husband to release the hostages. The group then keeps a low profile, living in a poor village and plotting what is to become the Mid-Autumn Insurrection. Under the command of Yan Kit, and with encouragement from Tze Heung, King Wai sends the signal for the army to crush the Mongols. During the raid, Ngai succumbs to a mortal wound.