"Cheongdam International High School" (also known as "Bitch x Rich") follows Kim Hye In, a poor student who witnesses a murder and is transferred to the prestigious Cheongdam International High School to buy her silence. At the new school, she encounters Baek Je Na, the prime suspect in the murder and the most powerful student, leading to a power struggle between them. The series explores themes of social hierarchy, wealth, and secrets hidden within the elite school.