When teenagers Rachel and Grace travel inside a super-powered rainbow to China, they disturb nature's balance. Using Rachel's connection to the energy of the rainbow and with help from their new friend Xiao Cheng, they must race against time to save the Earth.
as Rachel
as Dr. Julia Bianchi
as Susan
as Tom Williams
as Song
as Lindsay
as Grace
as Major
as Mei
as Ben
as Koia
as Lian
as Xiao Cheng
as Koia's Girl
