In the "Worry-Free City" where technology can accurately strip away memories, top memory weaver Lin Mo makes a living by helping others forget their pain. He is calm and efficient, like a shadow without a past. When a woman named Su Qing walked into his clinic with a seemingly simple request - to erase the memory of her deceased lover, Lin Mo's dusty heart was rippled. In the deep dive of memory, he discovered that behind this sad love, there was actually a shocking secret that could subvert the order of the entire city. Lin Mo, who was forced into the whirlpool, not only had to face the external pursuit, but also had to look directly at the forgotten rainy night that he had been avoiding. He must make a choice: continue to sink into the sea of oblivion, or find the lost truth on the island of memory?
