In pursuit of her lifelong dream of becoming a writer, Yumi takes the bold step of quitting her job to focus on preparing for a novel contest. From the Schedule Cell meticulously planning her writing schedule to the Writer Cell tirelessly seeking inspiration and the Cheapskate Cell tightening the purse strings, every cell works diligently to support Yumi in her aspirations. Yet, as worries about the future begin to mount, Anxiety Cell looms larger, casting a shadow over Yumi’s determination. Even the Love Cell, once sweet and hopeful, turns bitter and skeptical as her relationship with Babi hits rough patches. With conflicts among the cells intensifying, the Cell Village finds itself confronting a crisis unlike any it has faced before…

Dotty, who is in a slump, applies for a game showdown with the most popular creator, Killbak. During a battle over their retirement, a mysterious paparacoon appears and gives Dotty an invitation to the Tower of Eternity. However, in the tower of eternity, Dotty's elementary school friend Garam, who suddenly disappeared from childhood, is locked up, and even the viewers who accessed the game together are trapped there. Dotty and friends open the door to the Tower of Eternity to save Garam and the viewers. What awaited them in the Tower of Eternity... ?