When an 85-year-old man passes away after years of failing health, authorities quickly rule it a natural death and close the case. But years later, a bombshell recording reveals that those closest to him may have played a hand in his passing. Can detectives bring dark family secrets to light in the interrogation room?

Investigators question the mother of a deceased baby and her estranged husband to determine how the child died and ended up in a cardboard box, and as they search for answers, they determine who is responsible for the awful crime.