As a top criminal defense lawyer, what the heroine is best at is finding flaws in the seemingly airtight chain of evidence. But when the deceased was her husband, she found that all the clues were like a puzzle tailor-made for her. She thinks she's solving a crime, but she's actually being forced to dismantle a marriage she never really understood. There is no system or superpower. The only weapon is the extreme observation, logical reasoning and persistence of women honed in the workplace.