Gabby St. Claire Thomas and her Cold Case Squad reunite to solve a missing person's case. A friend of Gabby's husband needs help. His wife, Brooke, went to work one day and never returned home. No one has seen or heard from the woman in four months, and every lead has dried up. Gabby and her team begin to unravel clues about Brooke's life . . . and not all is as it seems. With each new layer that's revealed, they realize the case may be bigger...