Skylines

A human is born with extraterrestrial superpowers. She is the only person strong enough to beat the alien invaders but needs constant blood transfusions to stop her accelerated rate of aging. A long-time fighter against the invaders, Rose is now a fugitive on the run. She is plucked out of hiding by the military and once again asked to fight. With only 72 hours to succeed, Rose is sent on a mission to the alien mothership to save humanity.