Sunflower
해바라기 (original)
Out of prison after 10 years, former mob king Taesik wants to leave his bloody past behind. However, when Taesik's old mob friends return to take his mother's business, redemption takes a violent turn.
Starring Kim Rae-won, Kim Hae-sook, Huh Yi-jae, Kim Jung-tae, Han Jung-soo, Ji Dae-han, Park Sung-woong, Park Eun-hye, Eun-pyo Jeong, Lee Ho-Seong
It's a action & adventure and drama movie, and has a rating of 7.2 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Italy.