

Grace chooses mahjong over her granddaughter, leaving Coco in the kitchen. Coco manages a brief call to her mother Rita before her smartwatch dies, during which Rita senses something is wrong. Desperate, Rita repeatedly calls her mother-in-law, but the noise of the mahjong table drowns out her calls. She then contacts her husband Leo, only to be dismissed while he is with his first love. By the time Rita finds Coco, the child has succumbed to gas poisoning. Leo refuses to accept the tragedy born of neglect and misplaced loyalty until he sees Coco's portrait at the funeral home.

In Havenport, Xavier Shane has always been untouchable, shielded by his lawyer wife Zoey Gold, his fighter childhood friend Sarah Penn, and his brilliant younger sister Lydia Shane. But on his 29th birthday, his world shatters when Lydia is brutally assaulted in a dark alley and dies. The real blow comes in court, when Zoey stands for the killer, and Sarah forces Xavier to sign a settlement. Betrayed by the two women he trusted most, Xavier turns to the last thing his grandmother left him—a music box with a mysterious number. The moment he makes that call, the pampered prince starts to become something far more dangerous.