In the summer of 1995, the Baraboo police department is alerted to a harrowing 911 call from a calm teenager who claims to be trapped in a house with both of his legs fractured. Unbeknownst to the authorities, the caller, 13-year-old Thad Phillips, is just hours away from succumbing to fatal internal bleeding. His captor: a schoolmate and notorious teen serial killer known as "Bonebreaker." After enduring two days of unimaginable torment and two failed escape attempts, Thad emerges as the sole survivor and a crucial witness in solving another mysterious "accidental" death that occurred just one year prior. This riveting true crime documentary delves into the chilling details of Bonebreaker's heinous crimes and Thad's remarkable tale of survival.