Crevasse (2020)

A woman saves a man in turtoil, ready to jump off a building. Now, as a widower with a baby girl, Sang Hyeon welcomes Soo Min's comfort. Although they were once friends, she has becomes his best friend's wife. However, Soo Min's sympathy turns into love and then ito an obsession as deep as a crevasse.

Unfortunately the movie Crevasse is not yet available on HBO Max.