A group of tired commuters have caught the last train home, ready to hop into their beds for the night. However, their train soon veers off-course and crashes into an abandoned tunnel. The three survi...

Lek老師（Arun Phawilai飾）是一名泰拳敎練，一直敎導着一班小孩子泰拳以自我防衛，他們是Wuth（Nuttawuth Boonrapsap飾）、Catt（Sanisa Chindamanee飾）及Pong（Paethaiy Wongkumlao飾）。他們3個人必須照顧擁有心疾的Wun（Darun Tantivichitvej飾），Wuth的弟弟。 　　因為Wun突然心臟病發而必須進行緊...