In the seas between Norway and Russia, the British trawler Caistor disappears in mysterious circumstances as NATO and the Soviet Union keep an uneasy eye on each other.

Adapted by James Mitchell (Callan) from the novel by Tom Keene and Brian Haynes, Spyship was the first starring role for Tom Wilkinson, as a reporter trying to find out the truth about the disappearance of the vessel on which his father was chief engineer. You can read more about Spyship here.