Skinny and weak, the dog was abandoned twice, yet saved owner finally.

Movie name: Togo

Description:Togo is one of the lead dogs used by Leonhard Seppala, a skilled Norwegian sled dog racer. Togo is praised for being witty, possessing exceptional leadership skills, and having sharp intuition. Seppala is entrusted with the most dangerous leg of a relay, from Nome to Nulato, to receive a batch of serum, and successfully completes the task in an environment with temperatures below -30 degrees Celsius and winds exceeding seven levels. Subsequently, the Antarctic explorer Roald Amundsen awards Togo a gold medal.