Once upon a time, there lived the Olstrad family. It consist of the parents and their eight different children. One day, the entire family except the third child fell in a time gap. The third child has the ability to travel to find their family, but the entire family is stuck in time. For example, some of the family are stuck in the 20th century while some are stuck in the 21st century. Once everyone is gone, the third child will also disappear.