Luna was kidnap when she was 12 from her home planet, Seilna. A organization found her powerful. Three years later, that organization comes to the Planet Earth to try to kidnap more powerful people. Force to fight, Luna fight and destroys. Until, Luna breaks free somehow and begs the league to help set the other people free. Once they fight end, Luna is offers to join the Young Justice and help the planet Earth the best she can. Can she fit in Earth? Well the League members trust her? Will a certain member fall in love with her? Will someone be jealous? Is Luna hiding something from her new teammates? Will there be more questions?