“Deadly Delusion” (** out of four) was a ludicrous thriller about a woman (Haylie Duff) with mental health problems who moves with her supportive boyfriend (Mike Faiola) to a new house in Los Angeles where she goes even more downhill and questions her sanity and questions their relationship and the safety of their new home. By the end, it’s the movie that seems like it may have mental health problems. Duff is good in a difficult role but story and script is alternately predictable and exploitative and doesn’t support her. Teri Polo has a key role as her doctor.