Dziedzic: A Book of Unanswered Questions

Sinopsis en inglés

The family gathering is for Miłosz Dajski an opportunity to meet family members he hasn't seen for a long time. While wandering around the palace he hasn't been to for years, he encounters a man who is claiming to be his cousin, however Miłosz can't seem to recall him. The awkward encounter soon turns into horror when the mysterious relative finally announces "someone is plotting an attack." At the same time, there is a dispute between the descendants of the family head over inheritance issue and who will take over the leadership. Does this have anything to do with the "planned attack"?