Schlaraffenhaus(2011)

Maria is happy. Her little sister Kira returns after being gone for a bunch of months, caused by the death of their beloved mother. When Maria and Kira stayed at their family's house for the first night after a long time, strangers enter the house and start a night full of fear, horror and torture. Everyone who enters the family's house has to fight for his life... What do the strangers want? And what is the secret behind the family's past?