International Island High is a prestigious school reserved for the elite youth of Korea, but Kang Do-Ha breaks this mold as an ordinary girl from a modest background who unexpectedly secures a spot. Immersed in a realm defined by wealth and influence, she finds herself sharing living quarters with Rowoon, the school's heartthrob. Despite his popularity, Rowoon lacks finesse in romance. Can Do-Ha, in her unique position, be the one to guide him in matters of the heart?