Kate Macer left her past behind her until her young protege, Mei, goes missing during a case, throwing Kate back into the world of the cartel. Mei's friend, Luke Wright (former assassin), is determined to find her and gets put under Kate's supervision, much to her annoyance. Elsewhere, Alejandro stumbles upon a lost and disoriented young woman (Mei), trying to get home safe.

When a job comes up regarding a kidnapped teenage girl and a potential terrorist threat, the team jumps on it. While searching, Lee crosses path with the man who's the adopted father of the girl, a man who just happens to be his exact mirror image. Luke Wright won't stop for anything until he finds Mei, not even to acknowledge why he has a twin, but will their past get in the way?