Pink Hat (1963)

The end of the Great Patriotic War. Soviet troops arrive in a city abandoned by the fascists. Two women from the operational group find shelter in a house that, apparently, had been recently occupied by a German officer. Among the abandoned belongings is a lady's pink hat. The next morning, after leaving the house, one of the women decides to return for the hat and dies: the beautiful pink hat was booby-trapped.

Unfortunately the movie Pink Hat is not yet available on HBO Max.