A group of five supernatural kids, known as NightWatch, live on the streets of the festival city of Ceyore. They stay mostly hidden, until a baby is kidnapped from its home. NightWatch ventures through the city to rescue the child, and on the way discover a dark plot being carried out by the other supernatural beings on the street; now, it's up to them to not only rescue the baby, but also stop the monsters' plans to take over Ceyore.