Yomiko is in critical condition after a violent assault, and Toshiro is overcome with guilt and rage, determined to avenge her by hunting down the perpetrator responsible.

While his new teammates at the Transflora Centre work in tandem with police to come up with a plan to catch the murderer, Toshiro decides to take action on his own, and receives aid from an unexpected individual.

Meanwhile, the police discover a critical clue that might lead them closer to the identity of ‘Ivy’…