Home Alone is a reality show that portrays everyday lives of your favorite celebrities in the most intimate setting. The show invites the viewers to their homes, enabling them to closely observe their lives. From time to time, the stars of Home Alone have special gatherings as members of “Rainbow Club”, where each member is a friendly neighbor to one another as a fellow single dweller of the house. With Jun Hyun Moo, Park Na Rae, Han Hye Jin, and Lee Si Eon as the hosts, they observe the lives of celebrities with various occupations, including actors and actresses, top models, athletes, comedians, and so on. Although the gender, lifestyle, personality, and many other attributes are all different, they all have this one thing in common. It's that they all live alone.