After living in an enclosed order for twenty years, Sister Marie Rose is sent to Medjugorje, Yugoslavia, to find out more about the reported miracles taking place there. Events take a quite unexpected turn, though, when she meets Bill and they visit London, and then her native Wales, together. A few exciting months later, Rosie's mind is in turmoil - should she obey her Reverend Mother's instruction to return to the convent? Married to Christ, how could she break her vows?.