《红色房间的秘密与幻想》铁道车辆是干什么的

　　The high-profile case of serial killer Ludovic Chevalier has just gone to trial, and Kelly-Anne is obsessed. When reality blurs with her morbid fantasies, she goes down a dark path to seek the final piece of the puzzle: the missing video of a murdered 13-year-old girl, to whom Kelly-Anne bears a disturbing resemblance.