Sixteen-year-old Chae-yeon has spent her whole life in the United States, until she learns that she has South Korean roots. Eager to discover her past, she moves to Korea, but everything is different – the language, the culture, the people. Though it’s tough, she’s determined to adapt.

Just as things start to feel normal, five new students join her class, including Kai, the leader of the hottest K-pop group, StarX. Kai, charming and confident, quickly becomes the center of attention, with everyone vying for his notice – except Chae-yeon. She couldn’t care less about him or his fame. She’s convinced he’s just another popular guy.

But to her surprise, Kai starts paying attention to her, and before long, he begins to get closer. As their lives become more intertwined, Chae-yeon’s world is flipped upside down once again. With secrets unraveling and unexpected twists, she’s pulled into a game she never saw coming.