Susan goes to the therapist and realises she must choose between Ian and Mike, and Travers is having a birthday party which only spells trouble for Mrs McCluskey.
Jill has an unexpected reaction when her dentist retires.
While investigating a serial bomber's attack on a small town, Gideon learns that the perpetrator is a protege of his nemesis, who had murdered his previous team of profilers.
The arrival of Lois's baby coincides with the descent of her irritating mum, Ida. That's bad news for Lois, who vows to oust Ida with a cunning scheme.
Melinda's investigation of a poltergeist in the hospital leads to a showdown with supernatural forces terrorizing her and her son.