Su-hyeon, a delinquent who has everything – money, looks, and popularity – but still desperately craves love due to deep-seated inferiority complexes. His lowest moment is exposed and trampled upon by (Na-yeon), a model student who is his complete opposite. Su-hyeon vows revenge but gradually falls for Na-yeon as she gives him unconditional love. However, Na-yeon tests the limits of Su-hyeon’s feelings…