A game of houses

In the Northern lands, 3 families have fight during centuries for the control of the Tender Onion cultures, that only grow in these lands and give great benefits. The clan of Stork, commanded by Flanagan Stork, has always been at war with the House of Hardstone, commanded by Peter Hardstone. Recently, a new and dark force has emerged, with the fear and slap as main weapons. Is the family of the Nightwalkers, with Aitor Nightwalker as their Captain. They dont care about onions, but war is in their nature. The 3 Houses have been fighting for eons, creating a network of betrayals, wars, alliances...