Si Nan was originally watching TV leisurely at home, but was suddenly taken to a strange grassland by a mysterious light. He was shocked and confused. Before he could recover, he heard the sound of fighting not far away. Following the sound, it was a fierce battle between humans and giant monsters. The monster was as powerful as a hill. Simon hid behind a tree and peeked, filled with fear. When the monster approaches, Simon is in a desperate situation, his heartbeat speeds up and his mind goes blank. How should he deal with this unknown danger and challenge...