In the aftermath of Peter's murder, the Tates and Campbells take turns suspecting each other. Chief of Police Tinkler arrives to make a startling arrest.

Corinne meets her real mother, Ingrid Svenson, for the very first time; still vengeful at the loss of her child, Ingrid has hired a German detective whose abrasive nature rubs Benson the wrong way; and Chief of Police Tinkler gathers enough evidence to arrest Jessica for Peter's murder.