年輕時髦的設計師拿特計劃與其女友樸恩自駕車到清邁遊玩，一日正好來到拿特的家鄉，兩人決定前去拜訪已兩年未見的拿特的母親。拿特的母親尼達雅是一名虔誠的佛教徒，她懇求拿特與樸恩在旅遊途中前往9座不同的寺廟參拜行善，但拿特根本沒放在心上。出發後拿特偶遇童年玩伴，此時的他已是一名行走僧侶，拿特於是邀他一同上路。旅途中的三人發現似乎有人跟隨而來，當他們意識到跟隨而來的並非活人之時，一切都為時已晚。那被埋葬已久的恐怖過往正在甦醒，要他們血債血償…

9 Temples is the latest Thai horror story about one man’s journey to make amends in order to correct his bad karma by visits 9 temples in 7 days. The journey leads him and his companion into series of unexpected and horrific revelations.

Upon his mother’s request, Nat, a young architect unwillingly takes a journey to visit 9 temples in order to change his back karma. Accompany by Poon his beautiful columnist girlfriend and Sujitto, a young novice monk the 3 characters have different purposes for taking this journey. They later discover that they were destined to take this trip together and one person’s karma can affect the other and horrifying acts of their previous lives starts to reveals themselves….