After being betrayed by unfaithful men, Quyen and Mai Chau establish the "Black Widows," a secret group dedicated to exposing cheating husbands and boyfriends. Joined by schoolteacher Thu Huyen and young computer expert Quynh Vy, the women use elaborate schemes to uncover romantic deception. Their latest client, Ngoc, is a wealthy bride-to-be who suspects her seemingly perfect fiancé, Viet, of infidelity. Determined to discover the truth, the team launches an outrageous investigation, only to encounter an unexpectedly formidable opponent. As their carefully planned traps backfire, the women find themselves caught in a hilarious battle of love, trust, and deception.
