Church corruption shakes Alphy’s faith while Geordie’s promotion strains his marriage.

Alphy’s trip to reconcile with his mother takes a shocking turn when someone is murdered and he becomes the prime suspect. Back in Grantchester, Leonard defends troubled Raymond from Geordie, and Miss Scott hides a big secret.

Alphy sinks into a mysterious case while Geordie’s promotion threatens their partnership.

Rivalry turns deadly when a Cambridge student is murdered, and Alphy’s Bible turns up at the scene. As Mira’s presence sparks a crisis of identity for Alphy, Geordie faces a pivotal decision that could divide them forever.

Alphy’s drive-in fundraiser turns deadly when a sponsor is found murdered, and multiple suspects confess. As Alphy faces painful truths about his mother and faith, Geordie grows jaded, Cathy clashes with Mrs. C, and Leonard searches for purpose.

Go behind the scenes with the cast and crew to explore how this British crime drama about faith, justice and the power of friendship became an enduring hit. Featuring archival clips spanning 10 seasons and exclusive interviews with the cast and crew.

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.

Cathy and Mrs. Chapman’s new business venture hits a serious obstacle. Geordie secretly intervenes in Alphy’s personal life.

Alphy and Geordie investigate the murder of a rock band member.

Leonard’s drinking lands him in jail overnight, but things escalate from there.