When an orphaned young girl is adopted by a writer and an artist, she feels like her life is finally going well. But a tragedy sends her to the Dark City, where, along with her magical assistant Paramon, she must find the lost Time Key, overcome the evil that is threatening her world, and rewind the city's clock. With time running out and a powerful witch on her trail, she is determined to save her new family and become what she was always meant to be…a Time Guardian!