A Chinese detective breaks up a drug smuggling ring and tries to find the "Daffodil Killer". The drug smugglers had devised the ingenious method of smuggling heroin from Hong Kong in the stems of daffodils.
| Writing | Edgar Wallace | Novel |
| Directing | Ákos Ráthonyi | Director |
| Sound | Keith Papworth | Original Music Composer |
| Writing | Basil Dawson | Writer |
| Writing | Donald Taylor | Writer |
| Writing | Egon Eis | Writer |
| Editing | Peter Taylor | Editor |
| Camera | Desmond Dickinson | Director of Photography |
| Production | Steven Pallos | Producer |
| Production | Donald Taylor | Producer |
| Production | Horst Wendlandt | Executive Producer |
| Production | Preben Philipsen | Co-Producer |
