Robert is taken aback when Alison claims to the see the spirit of his own dead son Josh.
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D.I. George comes to believe that Carly's spirit might help lead them to her killer.
Daniel tries to persuade Alison that Daniel Two was responsible for an assault on a girl.
Alison worries for Connor's sanity as his visions of Ellen become disturbing.
Robert experiences the presence of spirits for the first time after Alison helps Sandra.
Alison asks for Robert's help to contact the spirits of some victims of a train crash.