Stray Nightingale (2017)

Juzaburo, known as a chivalrous robber, is one day betrayed by his henchman and his entire gang is slaughtered. The gravely wounded Juzuaburo escapes and is saved by Inspector Sadaemon and a couple, Kansuke and Okayo, who run a tavern. There, Juzuaburo retires and changes his name to Genzaburo.