Harper lives in the City of Clouds with her Great Aunt Sassy and
her beloved cat Midnight. When Midnight goes missing - together with
all the cats of the neighbourhood - Harper realises that only
her magical scarlet umbrella can help her find him...

When Harper steps out with the umbrella in her hand, she is carried
up into the sky on a series of amazing adventures.

And Midnight isn't all she finds when she stumbles upon the Midnight
Orchestra and its wild conductor...