FBI Special Agent Maya Gray, 39, has seen it all. She’s one of BAU’s rising stars and the go-to agent for hard-to-crack serial cases. When she receives a handwritten postcard promising to release 12 kidnapped women if she will solve 12 cold cases, she assumes it’s a hoax.

FBI Special Agent Katie Winter is no stranger to frigid winters, isolation, and dangerous cases. With her sterling record of hunting down serial killers, she is a fast-rising star in the BAU, and when a woman is discovered in the middle of a frozen lake, Katie is the natural choice to partner with Canadian law enforcement to track the killer across the brutal and unforgiving landscape.

FBI Special Agent Carly See, a star in the elite BAU unit, hides a terrible secret: She can speak with the dead. The murder of her sister, still unsolved, plunged her life into grief and awakened a new power within her. Sometimes messages come from direct contact, other times in dreams. All of it feels like a curse—until Carly realizes she can harness her new skills to solve cases. But her abilities are unreliable, and Carly must use her brilliant mind to complete the puzzle—all while struggling to keep her secret from her colleagues.

Ginger Mallowan embodies everything the 1980s stand for, from big hair to power suits to "Material Girl"...until her son disappears during a beach walk one night. That's the moment girls don't want to have fun anymore, and the moment she starts hunting for answers. Now Ginger's hair is a bit flatter, her power suits packed into the attic, and her dance steps to Madonna lack the energy of better days. She hasn't found—or forgotten—her missing son, and she's only survived the grief thanks to her neighbor and keeper of secrets, Tara Christie.

When 12-year-old Sophie Williams went on a Girl Scout summer camp, she never returned home. Three months later, her body is found inside her sleeping bag in the most frequented area of Cocoa Beach, and the town is outraged. The girl isn't just any child. She's the town's most beloved surf idol, and it was believed that she could be the next Kelly Slater. As another child, the son of a well-known senator, is kidnapped, and the parents receive a disturbing video, FBI profiler Eva Rae Thomas plunges into the investigation.