Sue and John Partridge finally discard their outdated automobile by dumping it in South London. In the ensuing weeks, they are puzzled to find that it has been spotted in five different places. Their puzzlement turns to concern when they realise that the old banger seems to be moving on a course leading directly to their home.

Sarah, a sufferig wife, locks her husband up in his study, a windowless room.

Two business executives find themselves trapped inside an automated office by a peeved employee.

An art student has an affair with a mysterious woman. Then he mysteriously turns up dead.