In 2003, a double-decker bus collided with a truck and plunged 35 meters off a bridge, crashing to the village below. The bodies of the passengers were thrown from the bus and scattered throughout Ting Kau Village. Tens years later, at the site of the horrific accident, sightings of a female ghost dressed in red are reported. POON, the host of the radio show "Twilight Online", discovers the identity of the ghost; she was a teacher, named LUI, who taught at the Good Moral College. He decides to visit the village and conduct a paranormal investigation. Four female students and a male teacher from the school volunteer to help. They believe that Lui's spirit has returned to redress unresolved grievances. During the evening, the four female students sense the presence of the ghost……
2003年巴士意外至今十年，當日巴士直墮橋下汀九 村，廿多名乘客屍體散落村內，非常恐怖。居民至今苦受紅 衣女鬼的滋擾，恐怖在線節目主持人潘紹聰發現女鬼為屯門 德群女子中學老師呂子妮，他遂召集女學生和男老師到車禍 橋下的汀九村進行靈探。眾人發現女老師鬼魂似有心事未 了，而女鬼直沖靈探的女學生，學生接著一個一個失蹤，死 於非命。
神探古爺參與偵查友愛村紅衣女人農曆七月十四跳樓 案，自殺的女人不停在友愛村重演自殺過程，究竟女鬼為何 不停重演慘案，箇中原因原來與汀九村的巴士紅衣女鬼有著 千絲萬縷的關係，而古爺與新助手Ｂ仔合力偵查此案時，卻 發現Ｂ仔行為古怪，原來背後隱藏著另一個不為人知的秘 密，所謂的紅衣鬼魂復仇其實也是一個謊言。
Region A: This region covers all of North America, South America and South East Asia.
Region B: This encompasses Europe, Africa, Middle East, French territories and Greenland.
Region C: Region which covers the rest of the world including Russia, Asia, and China