In a valley, with a dense growth of trees, a baby is killed. The baby's mother Satomi Tachibana (Anne Suzuki) is arrested as the prime suspect. The police also learn that Satomi Tachibana is involved in a romantic relationship with her next door neighbor Shunsuke Ozaki (Shima Onishi). The neighbor's lover Kanako (Yoko Maki) has informed the police of this. Meanwhile, magazine reporter Watanabe (Nao Omori) covers the story. As Watanabe investigates the case, he discovers the shocking fact that Shunsuke Ozaki was involved in a rape case 15 years ago.