In a near-future city where memories can be stripped, stored and forgotten, Lin Mo is a top-notch "memory ferryman", archiving and sealing people's painful memories day after day and sending them into a huge database called the "Sea of Forgotten". He firmly believes that forgetfulness is a gift and the only way to peace. Until one day, he accidentally came into contact with an unusual memory fragment - the sound of waves, a broken music box, and the vague smile of a girl. The fragment resonates violently in his mind, forcing him to question his own robbed past and the dark truth behind the entire memory industry. He must make the final choice between guarding the false peace and exploring the cruel truth.
