A Question Of Miracles is the second episode of the British television series The Secret Service. A series of accidents at British-made desalinisation plant is threatening export orders for the plant and causing anxiety to all involved, so Father Unwin is brought in. He and Matthew proceed to the next-most-likely scene of attack. They successfully deceive everyone, most importantly the villains, and are thus able to discover a bomb in some vital machinery, a sabotage plot, and the mastermind behind it all.