In a mysterious place known as the “Reincarnation Space,” a group of young people are drawn into a world called the “System Space.” It contains countless instances and missions. Each instance is a different world, and every mission is an adventure.
The protagonist, Zhao Yilong, works for a security company. While on a mission, he is pulled into the mysterious “Reincarnation Space,” and his fantastical life begins. Through his own effort and ingenuity, he gains more abilities and rewards with each new mission. With help from his girlfriend, Zhang Mo, Zhao Yilong begins his journey through an endless stream of worlds.