Xia Jin, as the illegitimate daughter of the Xia family, suffers abuse from her stepmother and stepsister at home. To seek revenge, she climbs into the bed of Si Yan, the man her stepsister Xia An'an admires. The seemingly cold-hearted heir of the Si family, however, finds himself irresistibly drawn to her. Amidst a mix of desire, love, and hatred, the two become entangled in a complicated relationship.