Movies / Hindsight (2011) aka Poo-reun-so-geum

Retired mob boss Du-heon enrolls in a cooking class with the hopes of making a fresh start as a restaurant owner. In the class he meets a quirky girl, Se-bin, and finds himself drawn to her mysterious charms. Despite his determination to wipe the slate clean, Du-heon is summoned back into the criminal fold by his old colleagues to stop his successor expanding the mob business into prostitution and drug-dealing.