David Callan, secret agent, is called back to the service after his retirement, to handle the assassination of a german businessman, but Callan refuses to co-operate until he finds out why this man is marked for death.
Production companies：
Syn-Frank Enterprises
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Magnum Films
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Overview：David Callan, secret agent, is called back to the service after his retirement, to handle the assassination of a german businessman, but Callan refuses to co-operate until he finds out why this man is marked for death.
