After the return of Voldemort and the murder of his wife, Narcissa, Lucius Malfoy defects and is de-aged to fifteen months. Severus adopts him but must keep him safe from Umbridge, children of Death Eaters, actual Death Eaters, and an angry Voldemort. He has allies in Remus, Sirius, Dumbledore, and Harry Potter and his friends, but will they be enough to protect little Lucius as he grows under his new father's watchful eye?