When a reclusive man is found dead on the streets of Cambridge, Alphy and Geordie begin to unravel a series of clues that lead them to a shocking revelation.

A suspicious death interrupts the Easter celebrations in Grantchester, and Alphy attempts to use the case as a distraction from his personal life.

A death at the university plunges Geordie and Alphy into a world of academic adversaries, while Alphy faces a complication in his romantic life.

Alphy's attempts to cook a romantic dinner are interrupted when a familiar face arrives unannounced at the vicarage.

Alphy and Geordie investigate when a member of a rock band is murdered. Alphy struggles with some family history.

Alphy and Geordie keep an eye on rising tensions as a controversial figure is invited to speak at the university. When a murder is committed, however, they disagree on how to approach the case.