Stars Robson Green and Rishi Nair are set to return as DI Geordie Keating and Reverend Alphy Kottaram, respectively.
In the new episodes, Alphy has found a home in Grantchester and a best friend and intellectual equal in Geordie. Love proves more elusive, until a case throws him in the path of a romance. But before he can let anyone else in, he must confront truths about himself. Geordie, meanwhile, wrestles with his expectations for his own son and Cathy takes steps to better her career with the help of Mrs. Chapman.