The Girl on a Bulldozer
불도저에 탄 소녀 (original)
She lives with her father and a sibling. One day, her father has a mysterious accident, forces her to look after her younger sibling, the restaurant, and an investigator to find the truth about the accident.
Starring Kim Hye-yoon, Park Hyuk-kwon, Yesung, Oh Man-seok, Choi Hee-jin, Park Hyun-woo
Watch "The Girl on a Bulldozer" on Tubi TV released in 2022. It's a drama and mystery movie, and has a rating of 6.3 out of 10 from Imdb which is usually fine for this kind of movie, and is currently available to watch for free.