Megosztott hang

A blind girl does not know that her husband has been murdered. She calls out to him, but there is no response. When she gets no reply, she goes to the bathroom to take a shower. At the same time, a man quietly walks toward the bathroom holding a knife. He suspects that the girl is not blind but pretending to be blind. So he stands outside the bathroom and watches her every movement. When the girl moves forward to take a towel, the man slowly tries to stop her. But the girl does not react at all