Beast in the Tower

The poor Lukka gets taken in by the wealthy nobleman Edgar. Even though he's surrounded by servants, Edgar tells Lukka he's lonely and hopes that Lukka would stay with him. Lukka agrees, and starts living a new life at Edgar's. When Lukka wants to help Edgar in return of his hospitality, he gets to meet Edgar's "pet" that's locked up in the tower and finds out an unbelievable secret.