In the bustling city network, Lin Hai, like an ordinary ant, shuttles through the maze of the steel forest. His life is a faded oil painting, with monotonous colors filled with repetitive daily routines - going to work, getting off work, eating, and sleeping. In this infinite picture, he is like an insignificant point, existing unremarkably. Until one day, he decided to break the boundaries of the painting. It was an ordinary morning. Lin Hai picked up his backpack, got on the train and embarked on a mysterious journey to Tibet. His heart was like a pool of spring water, eager to break through the shackles of winter and welcome the spring of life. However, at that moment, when his eyes traveled across the sky, his world was turned upside down. In the sky, he saw a huge beast with its mouth wide open. It was like a visitor from outside, speeding towards him and slamming into his direction. At that moment, Lin Hai's heartbeat seemed to have stopped, his breathing became rapid, and his pupils were full of fear and confusion. However, at the moment when he was about to be swallowed by the giant beast, everything disappeared. His world fell into darkness, and his consciousness seemed to be sucked into an endless abyss. When he opened his eyes again, he found himself in a completely unfamiliar world...