约翰·达顿是达顿家族的一家之长，坐拥着美国最大的牧场，与牧场毗邻的有美国首个国家公园、印第安人保留地以及土地开发商买下的地皮。在一次因牲畜误入印第安人保留地引起的争端中，不幸的意外伤亡事件发生，一场涉及多方的争端在蒙大拿州这片美丽的土地上拉开了序幕。

Everyone thought Danny had gone missing. Towards the end of senior year she vanished, leaving family and friends devastated and confused including her closest friend in the world, Becca. Gaslight picks up years later when Becca and her new husband receive an unexpected visitor during breakfast.

在僻静的森林里，一名悲痛的女子遇到杀手并被其注射了麻醉性药物。她身体逐渐停止运转，但她的生存之战才刚刚开始。