Lily Potter and the magical trio

Lily Potter is the only daughter of "The Chosen One". She lived happily with her family when suddenly a witch came reclaming for her father's dead (Who is no one else than Voldemort). Lily and Hugo Weasley are kidnapped and Dalia Vallejoie is the next victim, but then Lily conjure and ancient magic than no one knows. Can Lily, Hugo & Dalia use this power for the sake of everyone?