This series shows stories of lonely people in the age of social media. Everyone stays by themselves on the same floor, from room 401 to 410. Although their lifestyles may be different, the owner of each room has to confront with the same problem, and that is loneliness. Social media seems to be the only choice for them to have someone for talking, liking, and following. However, in reality, that loneliness cannot be deleted.

Su Cheng a kind and tenacious girl with a dream of becoming an actress in honor of her mother. She joins a talent competition with her best friend following the loss of her job an an assistant after the actress he assisted gets fired. She is signed to Star Entertainment, run by Duan Cheng Xuan, a proud and domineering man with a fear of intimacy that present itself with allergy like symptoms. Su Cheng gradually works up the entertainment industry's ladder with the help of Duan Cheng Xuan. She gradually becomes one of the most sought after actresses in the entertainment industry, but not without having to overcome many adversities. She is constantly bumping heads with Duan Cheng Xuan; her best friend, Liu Meng Tian, becomes her greatest rival; and her kindness and success is dislike by many of her colleagues.

Na-Ra is a university student and he has never had a girlfriend in his life. He wants to become a public servant. Jay is a popular magician mired in deep sadness. Joon is an intern at a hospital. He is poor, but he a has warm heart. These people gather at a magic school led by Master Han. Master Han has a daughter, Yi-Seul, who wants to become a dancer and not a magician.

“Jo Mi Ryo” is a drama about Mi Ryo who escapes city life and goes to the island of Anbin for a month to heal from reality. At the island, she sets up a restaurant called Mi Ryo’s Kitchen. The drama will depict diverse island life that is not completely leisurely and relaxed.

The love story between a strict protector and a rebellious boss. Sky is a young master and the son of a mafia boss. Sun is the bodyguard who was sent by Sky's father to protect him. But in the end, they fall in love with each other. How will they face Sky's father?

Laundry Chigasaki is located in Kanagawa Prefecture’s Atsugi City, which is often seen on road signs but little-known. Staffed by 25-year-old part-timer Nagumo Nagi and owner-manager, this strange coin laundry somewhere in the city provides ironing and laundry folding service....

Rookie investigator Shoko Kazuki has just returned from the U.S. after being trained by the FBI in the art of criminal profiling. Recruited by a newly-formed Crime Profiling Support unit (CPS) within the Metropolitan Police Department, Shoko gets to work cracking the department's most frustrating cases which offer only scanty clues and no apparent motives. Still, she must apply all the behavioral and analytical tools of her trade to painstakingly build the criminal profiles that will lead her and her team on the right trail. A realistic depiction of the profiling process and forensic analysis, LADY exposes the sinister underbelly of society and sheds light on the murky landscape of the criminal mind

Nam Han Joon is a former criminal profiler, who now works as a fraudster. For his scams, he disguises himself as a fortune teller and runs the fortune teller shop Minamdang. He attracts customers with his attractive physical appearance and smooth talking skills. He scams his customers for money, but he also gets involved in their cases and helps solve them. He even provides customer service for his clients. Nam Han Joon's partners are Soo Cheol and Nam Hye Joon. Soo Cheol runs a private detective agency and Nam Hye Joon is Nam Han Joon’s younger sister. She is an elite hacker.

Han Jae Hee has worked as a detective for 3 years. She is enthusiastic about her job and tries to follow a righteous path. Somehow, Han Jae Hee gets involved with Nam Han Joon.