| Director | John Gilling |
|---|---|
| Genre | crime film |
| Country | United Kingdom |
Janine Heinig lives with her jazz trumpeter boyfriend Johnnie Cobb. Unknown to her, Johnnie is a member of a criminal gang and has obtained a letter from her boss, diamond dealer Mr Jessop, which was given to Janine for posting. It states that two German businessmen will be calling at his office to collect a priceless diamond. Gang members Ben and Tom impersonate the Germans and as they force Jessop to hand over the diamond, he tries to raise the alarm and they shoot him.
Janine is knocked unconscious and awakes with total amnesia. She wanders the streets and rents a seedy room. The police are seeking Janine and her picture is in the newspapers. She takes refuge in a café and meets Mike, a kind-hearted sailor and ex-boxer. Mike falls in love with her and wants to get her out of the country via his shipping contacts. To raise the money he goes back to the boxing ring. Meanwhile Johnnie is on the trail of Janine and Mike, intending to silence them both. After the fight, Johnnie attacks Mike. Janine arrives and shoots Johnnie.