A flamboyant master criminal and several specialists stage an audacious scheme to capture the Eiffel Tower and hold as hostage one of its visitors, the U.S. President's mother, while the head of a UN security force tries to stop them.

Following a triple professional hit a U.S. agent, Paul Sherman, arrives in Amsterdam to investigate a heroin smuggling ring. He finds a city rife with drugs and a police force unable or unwilling to do much about it. With his incognito female fellow agent, Maggie, the American is soon stirring things up.

UN agents Mike Graham and Sabrina Carver are sent by their director Nick Caldwell to investigate the theft of Rembrandt's painting, "The Night Watch". The trail takes them from Amsterdam to Hong Kong and involves them in not only art theft and forgery, but the high-tech schemes of Martin Schraeder and his Korean cohort Mao Yixin