Hyuna is a 19 year old girl living far away from her mother because of college. She lives in an apartment and aside from studying, works an extra job to earn extra cash. Ever since her father left them, Hyuna and her mother knew they had to work extra hard to make a living. Hyuna does this but not in the way her mother knew she was. Hyuna was a e and this was a secret she kept from her mother very well. Her mother also has secrets of her own, one of which is her boyfriend, American expatriate Joseph Wordsworth. Joseph Wordsworth is a 45 year old attorney, tall and handsome. Joseph, who has no idea who Hyuna is, and Hyuna, who doesn't even know that her mother has a boyfriend, run into each other and attraction happens. Joseph, however, has a secret of his own. This seemingly trustworthy and hardworking man was actually a serial killer, hunting young girls down in Korea. Everyone has secrets, and eventually, they get found out about.