New Tricks (2004)

S3E1 Lady's Pleasure

The car involved in the murder of a teacher five years earlier is returned to her husband. Detective Pullman decides to revisit the cold case, determined to uncover the identity of the deceased woman's secret lover. A promising lead directs them to a male escort. Throughout her investigation of the original case, Pullman had been disturbed by the apparent lack of grief from Nancy's husband, Stephen.