A businesswoman married to a schoolteacher, Jenny struggles with balancing work and family life. Her sense of guilt over Milo's kidnapping creates a bond with Marissa as they both navigate their differences and unexpected friendship.

The novel's antagonist, Carrie is a complex character with a troubled past who instigates the kidnapping of Marissa's son. Her ability to manipulate others is central to her actions and the resulting events of the story.

Irene is Carrie's mother, depicted as selfish and inattentive, prioritizing her own needs over those of her daughter. She exhibits opportunistic behavior when faced with her daughter's involvement in the kidnapping.

Marissa's husband and a wealth manager from a privileged background. He initially appears supportive during the crisis of Milo's disappearance, but his character hides deeper, darker motivations.

Marissa's business partner and longtime friend, Colin is a seemingly bumbling character who actually possesses considerable intelligence. His financial indiscretions play a crucial role in the story's unfolding events.