A Filipino single mother, Lorna, lives with her children in a subdivided flat in Sham Shui Po, Hong Kong. She favors her younger daughter Zara, who has permanent residency, and neglects her eldest son Kaelo, who has congenital heart disease. Used to yielding, Kaelo has a heart attack on his birthday. He pounds on the door, but his mother dismisses it as a tantrum and locks him in, delaying treatment until he dies. His spirit stays in the neighborhood, watching the investigation, which exposes the mother's f
