Murder, She Wrote - Season 2 Episode 4 School for Scandal

When Jessica is offered an honorary degree from Crenshaw University, she has no idea she's about to become embroiled in a murder. After the boyfriend of (in)famous writer Daphne Clover is found murdered, Jessica agrees to assist the chief of police, who has never had a murder case before, find out who the killer is. She soon has more on her plate than she bargained for when first Daphne's mother confesses, then Daphne herself confesses. Jessica realises the two women are simply trying to protect each other, and begins to look at the faculty at the university.