In Search of Mother (1962)

The protagonist Chujiro, who possesses many attractive qualities, is a victim of unkind circumstances: his mother abandoned him as a child, so he had no choice but to live outside society. Even so, he grows up determined to reunite with her. Worried that she might be living in misery, he saves his money to help, only to find that she has married into wealth and social position and has no intention of seeing her outcast Yakuza son...