Frank's brother, Tom, and his wife, Helen, travel to Seattle where they hold their newborn son's baptism. After the ceremony, Frank checks up on Jordan, who is off playing with a friend inside the church. He finds his daughter huddled in a ball on the pew, clutching herself. She speaks of a man she saw hurting her Aunt Helen. Frank rushes outside the church. He finds his baby nephew unharmed in the back seat of Tom's rental car, but notes a blood droplet on the infant's face. Frank and Tom realize Helen was abducted.

Frank investigates a series of murders that replicate a serial killer case from his past while Emma moves closer to the Millennium Group.