Trapped with a Nightmare Family

Su Ran travels by train. She encounters an unreasonable family. They try to force her to switch bunks, and their child demands her food. The train becomes stranded after a snowstorm. The child falls ill. His family extorts money from passengers and the doctor, even resorting to physical assault. Su Ran works with the train staff to expose their lies. The family is dealt with by the law. Su Ran disembarks, and the doctor apologizes to her.