The Unfaithful Husband (S02E09)

Dangerfield gets drawn into the turmoil surrounding his longtime patient, businessman Patrick Hooper, who leaves his wife Margaret for the alluring Caroline White. Patrick confides in Dangerfield that Caroline has been receiving menacing letters from a supposedly unstable Margaret. Consequently, Paul persuades a hesitant Joanna to investigate whether Margaret exhibits any signs of mental distress. The situation escalates tragically when Caroline is murdered. DI Ken Jackson and his team navigate a web of family secrets, with both Margaret and the Hoopers’ son, Thomas, emerging as main suspects. With the assistance of forensics expert Terri Morgan, they uncover surprising truths about the real perpetrator.