He several times tries to enter the hospital to suffocate her but is repeatedly foiled, by the watchfulness of an elderly patient and a series of interruptions by the nurse's boyfriend, an expectant father and the watchman and dog on their rounds.

Eventually, Wade assumes the disguise of a hospital orderly and takes Lucy to the operating theatre where he plans to murder her – only to be prevented by the sudden reappearance of Barney, his associate.

The lead role of a murderer was a change of pace for actor Donald Sinden, who did extensive research for the part, modelling his performance on Neville Heath.

[9] Monthly Film Bulletin thought the theme "was a servicable one; but here the producers have so over-laden the storyline with cosy comic characters as to make wonder if their intention was to deliberately guy their material.

Only Nigel Stock and the spirited Ada Reeve emerge with credit and the melodrama is unadventurously developed.."[10] TV Guide gave the film two out of five stars, noting "a nice little thriller by the Sydney and Muriel Box team";[11] while Britmovie wrote, "the minor suspenser has several threads but unfurls with a good sense of timing and provides both excitement and light-hearted moments of humour.