Legend has it that cats used to be human. Fueled by the love for his owner, a young cat named Tycho embarks on a quest to seek out the source of this legend and discover how to become human again.
Tycho is saved by a young woman and is jealous that her partner gets more attention than him. He then learns from one the cats living with him that there is a legend that cats used to be human. Taking the legend at face value, he is determined that returning back to his human form will be that answer to his problem.