Ten-year-old Lily has spent her life wearing a collar her mother believes can detect lies. But it turns red whenever Lily feels fear, anxiety, or pain—and every flash earns another punishment, while her deceitful sister is praised. When Lily’s appendix ruptures, her desperate pleas are dismissed as one more lie. After her death, Lily’s silent spirit watches the truth emerge: the collar was merely a heart-rate and skin-conductance monitor. Forced to wear it herself, Mrs. Carter sees the red light
