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.

洛拉被困住了。她被困在生活里，被困在工作里，现在又被困在了她的哥哥卢的家里，和他的不稳定的室友凯奇在一起。当洛杉矶市因神秘原因关闭时，一包种子出现在他们的门口，生出了一株外星植物。这株植物藏着什么秘密？它的答案会释放洛拉吗？还是会将这三人推向疯狂？