Lisa Gaudenzi vanishes without a trace before reporting for US 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.

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.