The three "angels" Natalie (Cameron Diaz), Dylan (Drew Barrymore) and Alex (Lucy Liu) are still loyal to Mr. Charlie and are still helping the weak. The arduous task falls on them again. They need to use some different codes to find the missing judge. Although they try their best to follow the regulations to protect all witnesses, the witnesses are inevitably killed. The mission is difficult to carry out, and a mysterious figure - the fallen angel (Demi Moore) even takes action to compete with them. They traveled to the Mongolian border and tried their best to complete the mission successfully, but things are not that simple. A huge secret is waiting for them to face.