Season 1

Lisa Gaudenzi vanishes without a trace before reporting for U.S. Army officer training, and her husband claims she ran off with a lover; nearly 15 years later, a person from Gaudenzi's past surfaces to help solve the mystery of what happened to her.

Susan Smith becomes an FBI informant and acquires a long list of enemies that grows by the day, then she disappears.

Shortly after 30-year old Katrina Smith vanishes, investigators discover her abandoned car as well as security footage of a stranger walking alone the night she went missing; soon, secrets will be unearthed and suspects will emerge.

When an expectant young mother gets caught up in a complicated love triangle, emotions run high and heartbreak leads to murder; as suspects surface one by one, investigators must dig deep into the past to determine who actually committed the crime.

After a young couple is found murdered and mutilated on the outskirts of a small Ohio town, police work tirelessly to build a case against a suspect, but it will take more than 25 years for the terrible truth to emerge.

When a man's body washes up in a Kentucky river, police question his ex-girlfriend; she is initially ruled out as a suspect for several reasons, but when a new detective takes a fresh look at the evidence, he comes to a very different conclusion.