Tom and Diana probe a series of gruesome murders. Meanwhile, Shawn receives a gift from a 4400 that lets him see his future.

Tom hopes to clear his son Kyle of murder charges by looking for Jordan Collier, who might still be alive. Meanwhile, Diana receives a surprise visit from her sister April and her new fiancé.

Tom and Diana suspect Jordan's involvement in the breakout of Nova members from NTAC custody. Meanwhile, April's engagement is complicated by a prediction from Maia.