凯撒（安迪·瑟金斯 饰）领导的猿族将被迫与残暴的Colonel（伍迪·哈里森 饰）领导的人类军队上演一场生死大战。猿族在战斗中遭遇了前所未有的重创，由此激发了凯撒内心中黑暗的一面，心中燃起复仇的烈火。最终，凯撒与Colonel面对面进行了一场关乎猿族和人类命运的终极之战。

While struggling on a solo backpacking trip in Thailand, social media influencer Madison meets CW, who travels with ease and shows her a more uninhibited way of living, but CW's interest in her takes a darker turn.