My Captain Mr. Underground
마이 캡틴 김대출 (original)
A notorious grave robber Dae-chool, recently stole a precious Buddha statue. However, two kids Ji-min and Byung-oh steal it from him for fun. Dae-Chool tricks the kids telling them that he is a special agent from the Ministry of National Treasures, and persuades the kids to help him "in the cause of justice". As they experience one mishap after another, the kids and Dae-chool form a family-like relationship.
Starring Jung Jae-young, Jang Seo-hee, Nam Ji-hyun, Lee Do-gyeong, Hong Seok-Yeon, Lee Hee-do
It's a comedy movie, and has a rating of 5.6 out of 10 from Imdb which is fairly okay for this kind of movie.
Watch it here
Not found streaming from Italy.