Catherine Bennett's husband is accused of murdering singer Mavis Marlowe, and in desperation, she teams up with Martin Blair, Mavis's former husband, to prove his innocence. Catherine and Martin navigate the seedy underbelly of the city, encountering various shady characters, including nightclub owner Marko. Their investigation leads them through a series of suspenseful and dangerous situations as they uncover secrets that reveal Mavis's hidden life, painting a picture far different from her glamorous public persona.

As they dig deeper, Catherine and Martin find themselves entangled in a web of deceit and misdirection that challenges their determination and trust in one another. Each clue brings them closer to the truth, yet also places them in increasing jeopardy. Marko's enigmatic behavior and connections to the case become more questionable as they close in on identifying the real killer. Catherine and Martin's efforts to clear her husband’s name build up to a climactic confrontation that will test their resolve and bravery as they set out to expose the real murderer, forever altering their lives.