A high-achieving high school graduate, battles for justice at South Korea’s most reputable accounting firm.

During the Joseon Dynasty, the Secret Royal Inspectors are the eyes and ears of the king. They travel the provinces undercover and listen to the plight of the common people, investigating abuses and corruption of government officials.

Dan is an angel. He is also a troublemaker and also an optimist. Yeon-Seo is a ballerina who does not believe in love. Dan then receives a mission. If he succeeds, he can return to Heaven. His mission is to find true love for Yeon-Seo, but Dan soon falls in love with her.

What if your cat was capable of turning into a charming boy? After taking time off, Sol Ah returns to school as she finds herself a place to live alone. Per her friend’s favor, Sol Ah takes in a cat named Hong Jo, and a story of the life of two housemates unfolds. However, Sol Ah is not aware that the cat, Hong Jo, has the ability to shapeshift into a human. Sol Ah’s friends start to notice weird things about Hong Jo whenever they run into his human form. Things are about to change around the peaceful single-resident complex, and Hong Jo finds it difficult just being a mere cat whenever Sol Ah is too busy with her life to pay attention to him. Will Sol Ah be able to recognize Hong Jo in his human form? Sol Ah and Hong Jo “Welcome!” you into their romance fantasy story.

Joo Joong-won is the arrogant, greedy CEO of Kingdom, a conglomerate that includes a supermall and a hotel. "Ghost whisperer” Tae Gong-shil, is a misunderstood outcast who can't keep a boyfriend or a job since a near death experience left her seeing needy ghosts. She feels compelled to help them resolve their earthly issues so they can move on to the afterlife... and he feels compelled to think she's crazy. Soon their lives merge into a complicated web of hijinx, misunderstandings, and... yes, love.

Park Cha O Reum works as a rookie judge. She is in her mid-20's and follows "an eye for an eye" principle. She does not accept prejudice or blindly follow authority. Dealing with cases, she and her colleagues, including Im Ba-Reun, grow as persons.

Ae-Ra is focused on her appearance as she believes it will lead her to a better life. She then meets Jung-Woo who studied engineering. They eventually get married, but they also get divorced. After their divorce, Ae-Ra goes through difficult times. Unlike Ae-Ra though, Jung-Woo becomes a successful IT developer and very wealthy. Now, Ae-Ra tries to seduce Jung-Woo to marry her again.