Advice columnist Nelly is invited to Grand Arlott Manor after encouraging an eccentric widow to reconcile with her estranged family—but the evening takes a dark turn. In Nelly Knows Mysteries, she brings Detective Hogan as her date as secrets surface in A Manner of Murder. Starring Pascale Hutton and Kavan Smith. Premieres Saturday, March 14 on Hallmark and streams next day on Hallmark+.<br />
