Her father disowned her. Ulna Valentine is the first grade elite heiress and spoiled Brat from a known family in the East coast. An A-lister in that title. She Cut her hair short. Wrote her name in the enlistment form then entered military without batting an eyelashes. She's one year away from getting her Medical Vet license but she caste her medical gown away as a way of rebellion and entered military instead to pet some dangerous 50 caliber sniper rifle and rocket propelled grenade while disarming time bomb and leading her team in dangerous missions. But it took just one Rookie to destroy her , just one Rookie who keeps messing with her emotions and rationality. a rookie who turns out to be... her senior. a DevGru team leader. what happens when their fate collide, can they create a chemistry that is bigger than a nuclear explosion?