The story of the home of the poor, the rich, the ligay, the Chinese from different origins. Different beliefs, different thoughts that come together, brought about a lot of chaos. How will the challenges that we put up throughout each life path end? Watsana will bring them to love or not love,

This series tells the stories of lonely people in the age of social media. The residents of rooms 401 through 410 live alone. Although their lifestyles may be different, they share and confront the same problem, loneliness. For them, social media seems to be the only choice to connect and relieve their loneliness. However, in reality, their loneliness cannot be deleted.

Chadjen and Som-O have been friends since their childhood. They go to the same kindergarten, primary and high schools, but Som-O just realizes that she loves Chadjen when they attend university! Or is he Som-O's true love? But she thinks it can't be because no matter how many years have passed, Chadjen's feelings toward her are still unclear! Will this friendship that blossoms into love turn into true love or one-sided love in the end?

Yin is a successful businessperson who dreams of love at first site. Her troublemaking younger brother Yang regularly sets her up on blind dates, but fate toys with her when she drunkenly takes her relationship with Chen—a university intern—too far. She then meets Ray, a businessperson who hits on her openly. Subsequently, despite her desire to keep it a secret, Yin and Chen agree to a three-month trial relationship. Within these three months, she must search within herself to find who she truly likes.