Gina Chen, a night-shift taxi driver and former IT engineer, finds a stranger's phone in her backseat. A message from her own husband reads: "Darling, when will she die?" She discovers he and his "cousin" Christina have forged her signature on a $5 million life insurance policy and plan to kill her in a staged car accident. Instead of breaking down, Gina turns cold and calculated. She mails the phone to an old tech colleague, who retrieves chat logs, search history, and insurance fraud evidence. She hides a camera at home, records their conversations, opens a secret bank account, and consults a lawyer. She pretends to be the same oblivious wife while building her case. At a final dinner, she confronts them. They turn on each other. Police arrive. Both are arrested. Paul gets 6 years, Christina 4. Gina walks free.
