As Detective Geordie Keating and Reverend Alphy Kottaram continue their partnership in the picturesque town of Grantchester, they face not only complex criminal cases but also the challenges of personal growth, family issues, and hidden truths. In this latest season, Alphy begins to feel a sense of belonging, yet he is compelled to confront long-held secrets. Will he be able to open up completely, or will his concealed past create barriers to true connection?