Mystery

The professor suddenly questions his parentage, thanks to Miss Snares, while a gallery exhibiting his mother's work is targeted by climate activists. 

The detectives interview Asif and Mel as they learn more about their connections to Gerry Cooper, while also nailing down Marty's relationship to him.

Becks finally reveals the purpose of her secretiveness as the trio solves the murder of Louis Oldham after an additional body is found.

Dr. Goldberg is also the therapist for suspects in a case involving an actress stabbed by a real knife onstage. 

The investigation turns up a connection between Marty and Gerard, while more and more of Gerard's past and politics are revealed.

Judith and her friends investigate a murder that might be linked to a stalled housing development that is being prevented by two households' refusals to sell. 

Miss Snares investigates the dean's past while he relives some of it, thanks to the appearance of Zelda. And the professor and detectives examine a violent burglary.

The detectives learn more about Gerard Cooper and his life after telling his wife Juliet that his remains have been found.

As Zeta heads off to college, Suzie helps Judith, Becks, and Tanika figure out who killed Sir Peter Bailey, how they did it, and why. 

Dan finds himself frustrated as the professor meddles in another case when he's at a retirement community when a woman is violently killed. 

The professor is avoiding detective work and has backslid following a tragedy, but is eventually convinced to help his old colleagues when a woman goes missing at sea. 

Sunny and Jess have another cold case to solve when human remains show up in a marsh, even while Jess continues to navigate familial problems.

Suzie, Judith, and Becks are back to investigate a mysterious death, of a wealthy lord who was crushed under a bookcase at a party on the day before his wedding.

Daniel introduces his mother to Leonard after years of schism over his sexuality, and Alphy and Geordie mend things while dealing with threats around a controversial speaker.

Drama and a murder threaten to derail the opening of Cathy's store with Mrs. C, leading Alphy and Geordie to get involved and investigate.