Depicts the story of Sunwoo Chan, who lost his hearing and memory through an accident, and Song Ha Ran who becomes his savior. Sunwoo Chan is a bright and lively animator who works at an American animation studio. Despite his cheerful energy and positive facade, he's a mysterious figure who hides a lot of secrets. Song Ha Ran, the eldest among three siblings and a renowned designer. Her natural artistic sense, creativity, and work ethic have earned her a solid reputation in the industry. While she gets along well with everyone, she secretly hopes to not form any special bonds with anyone.