小镇锁匠贾凡为了寻找自己的真正身世，和发小李穆等人冒险进入古墓中探秘。当得知自己是发丘一脉的传人后，他觉醒祖传奇技，并在先祖发丘老祖墓中集齐六十四字秘术，对抗摸金校尉吴老大为首的盗墓团伙，避免了古墓被盗，守护了一方平安。
The film follows a group of climbers as they embark on the formidable challenge of conquering the Forbidden Wall, a perilous climb that has remained off-limits for years. What initially begins as an audacious expedition swiftly transforms into a harrowing battle for survival against a malevolent force that toys with their minds and tests their resilience.
