Point 905 (1960)

After the war, a Yugoslav army captain, Vladimir, is in charge of suppressing armed supporters of the former king's regime, led by major Momir. After Vladimir's best friend is killed, he joins the rebels pretending to be one of the king's supporters. However, one of Momir's supporters, a man who harbors rebels, has an attractive daughter who is engaged to marry Momir. She knows that Vladimir is an officer of the Yugoslav army, because she has seen him wearing a Yugoslav uniform. Vladimir fears that she might betray him.

Unfortunately the movie Point 905 is not yet available on HBO Max.