Embraceable You (1948)

The killer and his driver Eddie Novoc accidentally run over Marie Willens while fleeing a murder scene. The pursuing detective Matt Hethron is sure that Eddie is guilty, but he cannot prove it. Instead of pressing his case, Hethron has Eddie begin caring for Marie who received a massive blood clot from the accident and does not have long to live. As time passes, Eddie finds himself falling in love with Marie. To raise the needed money for her care, Eddie starts blackmailing gang kingpin Sig Ketch.