Three‑year‑old little Ellie is raised by her adoptive father Arthur in a forest cottage. She possesses mysterious golden‑white healing power and incredible superhuman strength, yet she is completely unaware of how powerful she is. Entrusted by Arthur, Ellie sets off to find her brothers, heading down the mountain with a giant warhammer on her back and keepsakes of her siblings. Along her journey, she meets her five elder brothers, all mighty beast lords, and tames two giant beast companions Snowy and Ash. After a series of adventures and uncovering the secrets of an ancient threat, the whole family is finally reunited back at the forest cottage.