In 1922, a fifteen-year-old Japanese boy arrived in Tokyo from his rural village to chase his life's dream - to be an auto mechanic. A few weeks earlier, he had applied to be a mechanic at a popular workshop in Tokyo and got accepted. He showed up at the workshop, sleeves rolled up, ready to get his hands greasy. However, the owner of the workshop would not allow him to even touch the tools. Instead, he was made to sweep the garage...