Raised in a frontier region plagued by space pirates, Chu Lingyue relies on her indomitable determination and extraordinary talent for mecha engineering to gain admission to a top interstellar military academy. She appears harmless and breathtakingly beautiful, but beneath that exterior lies a technical genius with an unconventional tactical mind. Her frontier upbringing and wildly imaginative ideas often lead to misunderstandings and embarrassing mishaps, repeatedly landing her before the disciplinary committee. Yet she always manages to prove her innocence through genuine skill and a thorough understanding of the rules. At the mecha championship, she uses her superb technical abilities to defeat her opponents fair and square, rising from the bottom to the top. Along the way, she attracts a group of spirited companions and forms a passionate team. Together, they fight against invading star beasts and protect their interstellar territory.