In 1995, a 92-year-old woman had been brutally beaten during a home invasion, managed to escape, but died months later. At the time, no one knew who'd so viciously attacked Henrietta Knight. But 20 years later as police are investigating the disappearance of a known criminal, they find a connection. As the investigation unfolds, they find links to a bank robbery, a car bombing and multiple murders. A trail of blood that leads them to the one man responsible for it all.

On November 17, 2004, a young Calgary family settled in for the evening. At about 9 pm, the husband left for work as a security guard, while his wife stayed home with their two children. In the middle of the night, she woke to the sound of shattered glass. Within minutes the entire home was engulfed in flames. After desperate attempts to reach her children failed, the mother managed to escape. The children didn't survive. Senior crime reporter Nancy Hixt shares the unexpected twists the investigation took into who was responsible for the devastating double-fatal fire.