Watch Online Free on Watchseries. When thieves turned undercover agents Mac (Ivan Sergei) and Li Ann (Sandrine Holt) must get inside access to an organized crime family, they discover the family's "godfather" -- a teenage girl -- is a deadly force to be reckoned with. This feature-length martial arts thriller is a reedited compilation of two episodes from the "Once a Thief" television series. Victoria Pratt, Nicholas Lea and Jennifer Dale also star.