When the mission looks impossible, the world calls upon UNACO. The Italian Red Brigades raid the US-owned Neo Chem laboratory between Rome and Tivoli and steal a vial of deadly DNA virus. They plan to trade the vial - which if opened could kill millions - for a hundred million pounds, to be paid to the terrorist armies of five European countries. The deadline approaches: a summit conference in Switzerland at which the terrorists threaten to release the virus into the atmosphere if their demands are not met. Reissue.