Li Anran, who died unexpectedly, came to a place called "Forgotten River". While trapped here, she found that she could unilaterally contact the outside world, but had no way to respond. Forced to have no choice, she began to explore the Forgotten River. Amidst the uncontrollable changes, she met people she could not meet. While many companions acted together, she gained a deep understanding of people's hearts, but the truth became confusing...
