Lena and Kara had dated for 5 years when Lena finds out that for 2 years Kara had been cheating with Mon-El Lena is beyond upset. She decides the best revenge was not only keep Kara for herself but she is now controlling her simply so that she can make the world scared of supergirl. But will Lena get corrupted by this power? Will Kara just give in that she can at least be in control? Will the world be afraid of supergirl? Will Alex be able to save her sister?