Hans Wagner lives in a small apartment, taking pills and drinking whiskey to fight his anxiety disorders. When he runs out of both his drugs one day, he has no choice but travel to the supermarket sober. An unexpected adventure begins .

Lady Osborne's gardener becomes the victim of a burglar when he catches him in the Lady's house. Soon more mysterious murders occur and Inspectors Higgins and Lane suspect a connection between the victims and the Lady's long-dead husband.