Stranger in the Night is a thriller film that follows Cara, a college student who is threatened by an anonymous person to solve a cold missing person case. The person insists Cara have to figure out the case within 48 hours; otherwise, she and her friends will die. Cara works with her friend Jake, a tech-savvy student, to unlock the details of the missing person's disappearance.
As Cara delves deep into the case, she realizes that the missing person was a renowned scientist and her disappearance has links to a pharmaceutical company that was working on a cure for Alzheimer's disease. Cara reaches out to the scientist's family and discovers that he was involved in a top-secret research project that had gone awry. Cara and Jake race against time to expose the company's unethical practices before it's too late.
As they investigate, Cara and Jake are constantly threatened, and they realize that the anonymous person is following their every move. The pair must navigate through dangerous situations and uncover the truth behind the missing person's case before their time runs out.
In the end, Cara and Jake successfully solve the case and bring the involved parties to justice. The movie ends with Cara realizing that the anonymous person was, in fact, a close friend who had put her through the ordeal to teach her a lesson about the value of life.