Bi is a Vietnamese country girl who survives a brutal childhood and escapes to the city of Saigon. Bi is recruited by the mysterious Mrs. Lin, and followed Lin to an apartment where she lives with two new friends: the fierce Thanh and the playful Hong. Lin trains them to take down a Saigon crime lord, Hai, who traffics drugs and young women. Lin coaches Bi in the arts of killing and sensuality. She then willingly applies the skills she has learned to pursue Lin’s dangerous mission…