Handia, based on the true story of Miguel Joaquín Eleizegi (1818-1861), known as the Altzo giant, explores his human side and how he related to the society of his time.

他白天是个受人爱戴，温文尔雅的老师，他晚上却是个行侠仗义，嫉恶如仇的侠客；他就是怪侠红鹰。为了给冤死的妻子报仇，他隐姓埋名，过着不为人知的双重生活。