Consuming fresh human blood as an energy source, Shadow Starfish attacks people indiscriminately to feed its need to mutate and multiply. Rieko is attacked by Shadow Starfish No. 1, but is saved by Ichiro. Not wasting a moment, Big Shadow quickly builds Shadow Starfish No. 2. Meanwhile, in his thirst for revenge, Hakaider lures Ichiro to a deserted construction site, and right into his diabolical trap. Can 01 outwit Hakaider and save Rieko?