"The Earth has flooded. The only signs of humankind are the waterlogged structures they left behind. Peeking out from the deluge are the remnants of a zoo, home to rare and endangered animals, survivors of long neglect. Tender-hearted NOA is a construction robot who’s found new purpose as the caretaker of the zoo’s beleaguered inhabitants. Bracing for the next storm, NOA builds an ark from the wreckage in search of new land and a new home, only...

It is hard for Chihuahua Ember to decide which is worse: a pack of pugs who announce that they are aliens, or the dog park which is filled with large and overexcited dogs--but he is convinced that he and his animal friends must stop the pugs to save the world (for themselves).