The BBC’s spellbinding family fantasy series weaving ancient Welsh folklore and magic into the contemporary adventures of a boy magician and his friends.   Gwyn Griffiths’ birthday is never just about him. For his family, it’s also the anniversary of his sister Bethan’s mysterious disappearance. On his ninth birthday, Gwyn’s life takes another dramatic twist when his grandmother gives him five special gifts to help him fulfil his magical destiny. As he embarks on a thrilling journey of discovery, one gift brings him a mystical snow spider, while another pits him against a dangerous supernatural foe. But can any of them help him find his missing sister?