Bad Family (2010) 不良家庭

Bad Family (Finnish: Paha perhe) is a 2010 Finnish drama/black comedy film written and directed by Aleksi Salmenperä and produced by Aki Kaurismäki. The film tells the story of an overly protective and controlling father who suspects incest is taking place between his own son and daughter. These growing suspicions and concerns cause the father to become delusional and unrelenting in his quest to end the love affair between his children.

After a divorce a father raises his son on his own, while his ex-wife has custody over his daughter. When the mother dies, the brother end sister finally meet again.