Tiny lonely pit bull puppy once was incredibly lucky. He was picked up by a kind and cheerful guy named Lucas. He became a four-legged mischievous Bella loving master and friend. For a long time the couple lived, enjoying each other's company, until one day Bella got lost. By the will of fate she proved for hundreds of kilometers from beloved owner. And now Bella is waiting for a difficult way home, full of unusual meetings and adventures.

The script is based on the book of the same name by the famous American writer Bruce Cameron, whose work was filmed Comedy drama "Dog life". The main character of the film — the dog Bella — voiced Bryce Dallas Howard.