When a magical hourglass appears in his cottage, the Bwbach predicts there's trouble on the way. His fears are confirmed with the arrival of a tall wizard in his red cloak, accompanied by his assistant, Colin the Coblyn. The Bwbach realises he must rally the troops of magical creatures of the Houses of Ffagan to protect his best friend, Mari.

Aled worries a lot and, for him, starting at a new school in an unfamiliar place is terrifying! That is until a mischievous Bwbach presents him with an unlikely gift: a Bwci Bo! With Halloween fast approaching, Aled soon learns that friends can be found in the strangest of places, just how brave he can be, and exactly what happens to naughty childr

Bwbach is a mischievous, magical house sprite who protects his empty cottage while longing for the day when a new family will move in and make it a home again. One day strangers come and dismantle his house around him. Will Bwbach ever see his house again?