Will's life has become better. He happily married the talented Bonnie and was about to become a father, but his world was about to be shaken by a terrible accident. He has been preaching the words of a compassionate God - but how can he do it now when his despair has led him into a vicious cycle of danger. Jody found a new sense of satisfaction in their relationship with Cathy, but when they both faced shocking news at work, their newly found happiness felt threatened. When Mrs. C, Leonard, Jack, and Daniel got together, Will and Jody found themselves in unfamiliar emotional waters, and murder cases were always within reach. The eighth episode of Grantchester will explore the lives of invisible women from highways to spies, as well as the obvious issues brought about by Leonard's new profession, which may once again lead him to fight against the law. Exploring faith, forgiveness, and redemption - this series of explosive Grantchester tests Will and Geordie to the limit.