Catherine rules an international crime syndicate with iron authority, but arrives too late to rescue her estranged twin sister from terminal illness. Honoring a desperate deathbed request, Catherine agrees to assume her deceased twin's modest suburban identity to protect her three neglected nieces and nephews. Returning to the household under disguise, she is appalled to discover her sister's unfaithful husband has already installed his haughty mistress inside the residence.
While schooling the insolent teenagers and restoring discipline to the household, Catherine uncovers toxic traces proving her sister never died of natural causes. Her brother-in-law and his lover quietly poisoned the late matriarch to seize her savings. Catherine quietly mobilizes her lethal syndicate connections, setting up a methodical domestic retribution against the deceitful pair.
