In Xinhai City, technology can delete painful memories like data. Lu Chen is the industry's top "memory cleaner", known for his calmness and precision. He wanders through the broken memories of others, erasing the trauma, but never asks for the truth. However, when his own memory began to have unexplainable cracks, and a mysterious woman with amber eyes, Xiao Wan, appeared and asked him to delete a memory about the lighthouse and the storm, Lu Chen discovered that fragments of this memory also appeared in his mind. In order to find himself who is sinking into the sea of oblivion, he must sneak into this island of memory and face the secret that he has buried long ago with his own hands.
