What is the summary of chapter 4 of escape to last man peak?

Chapter 4 of "Escape to Last Man Peak" is all about the protagonist finally reaching the mysterious Last Man Peak after facing countless obstacles and challenges. They discover a hidden community of survivors living in harmony with nature, but soon realize that not everything is as it seems. Betrayal, secrets, and a fight for survival ensue, making this chapter a thrilling rollercoaster of emotions and plot twists.