D.O.A.

D.O.A. is a movie starring Dennis Quaid, Meg Ryan, and Charlotte Rampling. A college professor's day: his top student allegedly commits suicide, his wife presents him with divorce papers and he overnights in a freshman girl's dorm....
Dexter Cornell, an English Professor becomes embroiled in a series of murders involving people around him. Dexter has good reason to want to find the murderer but hasn't much time. He finds help and comfort from one of his student, Sydney Fuller.