Umut, a young man who is mute but not deaf, finds out that his mother has been meeting with a stranger.

冬雪纷飞的安纳托利亚山区，一所与世隔绝的男子寄宿学校座落其中。某日夜里，男孩们在淋浴间过度嬉闹，遭到教官严厉处罚，被迫在零下30度的低温中洗冷水澡。隔天，尤素夫竟发现同房好友开始严重呕吐，陷入昏迷。他赶忙通报师长，却只见大…