Things have calmed down considerably since the defeat of Talpa. Sage has gone off to America to study; Ryo is celebrating his birthday; Kentos won the lottery! However, the joyous mood disappears when the local news breaks a story about a strange killer in New York wearing mysterious armor. When the four warriors arrive to investigate, they are met by a new sinister force. The ancient sorcerer Shikaisen has discovered the power of the armors and is now intent on making them his own.