While holidaying in Spain, Philip Graham (Bridges) by chance runs into an old wartime RAF colleague Tony Roscoe (Peter Dyneley), now a society photographer. The pair spend some time reminiscing, before Tony is urgently called back to England on business. Tony is required to fly home, so Philip offers to drive Tony's car back from Spain at the end of his holiday. Tony asks him to also pick up an envelope he has left in the hotel safe.