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.
| Release Date | August 2, 1970 | |
|---|---|---|
| Status | Released | |
| Original Title | Puppet on a Chain | |
| Runtime | 1h 38min | |
| Budget | — | |
| Revenue | — | |
| Language | English | |
| Original Language | English | |
| Production Countries | Netherlands, United Kingdom | |
| Production Companies | Big City | |