
Helena Sterling, Chairwoman of Lighthouse Group, finds her husband, Conrad Graham, with his mistress, Vivian Cole. She learns he wants her dead for her wealth. Vivian mistakes Helena for Conrad's mother, so Helena plays along, seeking revenge as her mother-in-law. She sets traps, dismantling her husband and mistress's schemes. She gathers evidence of their murder plot for her fortune. She ensures the betrayers pay, safeguarding her business and dignity.