A woman catches her husband cheating on her so she drugs him, castrates him and then keeps him chained up in the basement where he's forced to watch her have sex with other men before she kills them.
'Joelma 23rd Floor' faithfully reconstructs the story of young Lucimar, one of the 170 fatal victims of the Joelma Building fire, which occurred in São Paulo, on the morning of February 1, 1974.