When Dorothy Martin and her husband Alan meet the wealthy Ahmad family, they are charmed by their courtesy, their perfect English, their delightful children and their commitment to peace. Following a concert at Sherebury Cathedral, the Ahmads offer to host a party afterwards at the Rose and Crown pub. But Mr and Mrs Ahmad don't show up. Their children are asleep upstairs at the inn, but the parents are nowhere to be found . . . With suspicions of kidnap and even murder being raised, Dorothy and Alan feel compelled to assist the police and MI5 in their efforts to find their new friends, a search that will take them to London and the murky world of big business, politics and even terrorism.