A group of girls who like extreme sports finished a rafting exercise. Sarahfelt in an instant that her husband, Paul, and another girl, Junomight have an intimacy beyond her imagination. relation. When Sarah’s family drove home, Paul and her daughter Jessica were tragically killed in a car accident. Sarah herself woke up from the hospital bed and learned that her family was no longer alive.
A year later, the same group of six girls met for a cave expedition. In addition to strengthening the friendship between them again, but also to help Sarah completely out of the shadow of grief, until now she still always thinks of her lost loved ones. However, what everyone didn't know was that Juno, who led the team, as an experienced rock climber, changed the original expedition cave without authorization. She chose a cave that had never been marked on the map, thinking that she would be able to name the cave "discovered" by their name.
Once down to that deep cave, the girls saw how beautiful it was, but they didn't know how gloomy the expedition would become. They began to move, crawling forward through a narrow cave passage that made people fearful of closure. Suddenly, a falling rock blocked the only exit they knew. Everyone looked at Juno, and Juno had no idea, so the girls began to panic, especially when they gradually realized that in this unfathomable dark underground world, there are some unknown giant animals waiting quietly NS.
While struggling with fierce giant animals, Juno accidentally injured a girl, Beth, and then threw her away, even though Beth yelled for help. Later, Sarah found Beth. She told Sarah about Juno's secret relationship with her husband. At this most desperate moment, Sarah finally saw Juno clearly. Juno is the kind of woman who can destroy a good friend’s marriage; she can stab a friend and walk away, let him die, and will lead all friends to their doomed death, just for her. Self-satisfaction. In short, Juno is an evil force. Sarah decided to settle the account completely with her in the cave.
