Error in Judgment (1998)

Synopsis
Joanna Pacula stars in this thriller as Liz, an analyst who introduces her husband, the owner of an art gallery, to an attractive female artist suffering from severe depression and thoughts of suicide. Before long, she begins to suspect that her husband may be having an affair with the painter, but after she hires a detective to keep tabs on them, Liz begins to suspect that infidelity may be the least of her problems -- her husband may be a murderer. Also stars Joe Mantegna and Kate Jackson. ~ Mark Deming, All Movie Guide