ITV's latest hit period drama, Grantchester, will be returning for a second season. The six-part mystery that stars James Norton as Sidney Chambers, a charismatic clergyman who turns investigative vicar, has been reupped by the network for a further season to shoot next year. Set in the 1950s and co-starring Robson Green as down-to-Earth Police Inspector Geordie Keating, Grantchester has found a faithful following in Britain.