A space station erupts into chaos when terrorists strike without warning. A young girl survives the attack thanks to a mysterious boy who pulls her to safety, but the moment passes before she can thank him. Years later, she enrolls at her grandfather's military academy, hoping to find answers about her savior and her past. On her first day, she spots someone who could be him: a capable cadet with familiar eyes. Before she can approach, a suspicious figure sneaks through the academy grounds. What appears to be a security threat quickly reveals itself as a controlled training exercise, designed to test the students under pressure. The encounter sets off a chain of events that entangles her with both the boy from her childhood memories and the dangerous operations unfolding within the academy walls. Romance blooms amid military drills and covert missions as she searches for truth. She must navigate her growing feelings while uncovering what really happened the day her parents died and why this boy keeps appearing at the center of everything.