William Lucas - never the most versatile of actors - is "Mason", a man who works on the docks and lives in a B&B. It turns out that he has a bit of a criminal past, and when his erstwhile colleagues get the idea that he knows the whereabouts of some valuable bank note plates, they kidnap his daughter who lives with his estranged wife "Kay" (Zena Walker). The thing is, the man has no idea where they are - and with the police "Mayne" (Patrick Jordan) on one side, his wife and the gangsters all also on his back his options are limiting and his desperation growing. Largely devoid of any jeopardy…