Stranger Coming (2018)

A homeless man's family murder an elderly couple who are devoted to God and their granddaughter, and take over their pit stop. Kyeong-soo's chaebol fiancee leaves on a trip with her family, but her parents get murdered and she barely survives with paralyzed legs. Traumatized, she suffers and for her sake, Kyeong-soo suggests they go on a quiet trip. Kyeong-soo's fiancee and his friends leave on a weekend and visit the pit stop the homeless family is running. There, they face the ugly truth and the curse of Satan brought on by the cruelty of man.