In the cold city of the north, behind the door on the twelfth floor of an old building lies a cage of despair in the name of love and ending in death. A case involving the corpse of a woman living alone has torn apart the mask of middle-aged marriage, the decay of forbidden love, and the scars of the original family.
The father's indifference, the wife's forbearance, the ex-boyfriend's unhappiness... Everyone is a suspect, but the truth is hidden in the purest and most unexpected corner. A broken ring, two obsessions, three generations of joys and sorrows.
