Yiu-chung hints at using the USB drive containing incriminating evidence against Shun-chiu in exchange for Sha-sha’s release. Sam-yuen pretends to agree and teams up with CCSIU to save Sha-sha. On the day of carrying out the deal, Hon-sam and On-na go to the place where Sha-sha is held hostage. But they realize Sha-sha has been taken away. Fortunately, On-na manages to save Sha-sha by following instructions left behind by Tat-wah. However, while Sam-yuen is engaging Yiu-chung’s minions in a chase, Sam-yuen has a traffic accident. Some car explodes. Sam-yuen’s mother Wong Yi-mui is annoyed as Sam-yuen has repeatedly endangered the lives of her family members. She wants her to choose between the police and her family. Sam-yuen is prepared to wait for Yiu-chung going to the drug lab. But Yiu-chung never shows up. The arrest operation is exposed. Tat-wah goes after Dan-gei, who manages to flee. Tatwah follows Dangei and finds Yiuchung. Yi-chung displays a corpse and points a gun at Tatwah.