After her mother is murdered on Halloween, a rebellious teenager travels back in time to 1987 where she must stop the young would-be-killer and get back to her rightful time line before she's trapped in the past forever.

<p>很多人死后变成了幽灵，他们都必须乘坐专用列车前往阴间，通过魔鬼训练营的历练才能成为真正的恶鬼。吓唬人、搞恶作剧是幽灵们的天职，因此阴间之王金霸十分重视对幽灵的教育工作。但这一次金霸发现有个名叫卡士伯的小幽灵竟然…