12 years old twins Olivia and Max live on the edge of the monster valley. Since they were small, they have kept their secret hero powers hidden, but when they find two more children like them, they reveal their secret identities, Whirlwind and Mud Shot. Together, the four heroes investigate the appearance of Eiramesor in the city. What they didn't bargain for were menacing droids and a strange shadow figure who could be friend or foe. Can they find...