During the sweltering summer heat, Mark stays with his first love Sarah and her son. He locks his own daughter Mia inside a car, which leads to her death from heatstroke. Claire, the mother, frantically searches for her child but is repeatedly hindered. Devastated by her daughter’s passing, she resolves to seek revenge.Blinded by his affection for Sarah, Mark even plans to take his late daughter’s liver for Sarah’s son. He is overwhelmed with remorse once the truth comes out. Claire pulls out her investment and ruins Mark’s career. In the end, Sarah, Mark and his mother who favors boys over girls all lose their lives, leaving the story with a tragic ending.
