This sequel to 2016's "Special Female Force" follows Madam Fong, who, along with Inspector Tam Ka Ming, is still traumatised by a deadly incident that happened 20 years ago. While the two of them, Hei, Shirley and a group of commandos were in a secret operation chasing gangsters across the border of Hong Kong, a firefight erupted and killed Shirley and several commandos. Now, the duo is working together again to escort the Hong Kong Police Force's female deputy commissioner to Macao. Four new-generation Special Female Force members, Alma, Zhi Han, Sheila and Tong Yu, join them but the operation is interrupted by a group of gangsters. At the same time, they discover that Hei is still alive.