A romantic love story between an Idol star and a female bodyguard! Sang-ah, Yeni and Gaeul are best friends since college. One day, While sang-ah guard K-pop idol star, she mistakes firework gun for a real gun, tries to protect Ah-shin by 'jumping' into to him. From then, She was misunderstood for a pervert stalking fan and driven into the corner by a netizen. Gaeul and Yeni try to save her from fan's attack and pure Love budded them in the process.