Yoo-Suk looks for a girlfriend who disappeared. Ae-Yeon has a fake diamond which her ex-boyfriend gave to her. Ae-Yeon was dumped by her ex boyfriend. Byung-Chan does not believe in love. Bok-Nam is in love with a friend of a friend.

Major crimes unit detective Seong-jin arrests Tae-sung for petty crimes, but shocked to find out that he is the notorious serial killer. However, Seong-jin becomes doubtful of his identity as the serial murder case is investigated.

After being involved in a car accident, Si-hyun is left with no memories of the accident or her past. The accident causes her to see sounds in color which is often disorientating, forcing Si-hyun to protect her ears. She encounters Ji-won in the hospital and moves in with her when she is later discharged. Upon hearing Si-hyun humming a strange melody in her sleep, Ji-won’s brother, Woo-hyuk, writes it down as a score and gives it to her, hoping that it would help her remember something of her former life. Meanwhile, Jee-il, a failed songwriter stumbles upon this score and offers to find the melody. They embark on a healing journey as they collaborate to complete Si-hyun’s melody.

A Princess in the Joseon Dynasty travels to the Qing Dynasty to marry. On the way to there, she meets a young magician and falls in love with him.

Woo-Jin changes into a different person when he wakes up. He falls in love with Yi-Soo.

Ji-hyuk is an expert safe-cracker who lives the highlife stealing antiques and jewelry with his team. CHO, a powerful and cruel gang boss threatens them to steal $150 million with him. Ji-hyuk plans to get revenge on CHO, but ends up falling into his trap. However, CHO later realizes it was all part of Ji-hyuk’s scheme. When Ji-hyuk, who was thought dead, reappears, hidden secret relations between the technicians also surface.

A young girl (Kim Sae-Ron) is kidnapped by a serial killer (Jung Kyoung-Ho). The serial killer uses manholes to kidnap and kill his victims. The young girl’s older sister (Jung Yu-Mi) tries to save her before it’s too late.

Depicts the love lives, jealousies and desires of those that work within the Sanguiwon during the Joseon Dynasty period. The Sanguiwon are responsible for the attire worn by royalty. Dol-Seok (Han Suk-Kyu) is the best master artisan in charge of royal attire. He views set rules as paramount to his job. Kong-Jin (Ko Soo) is a genius like designer, born with dexterity and an excellent sense. He was brought to the palace by nobleman Pan-Soo (Ma Dong-Seok) who first spotted his talent. The King (Yoo Yeon-Seok) and Queen (Park Shin-Hye) then become embroiled in a critical case because of the royal attire made by Dol-Seok and Kong-Jin.

At Sunjong University, a few students are serious, including Eun-hyo, who works hard at aerobics in hopes of doing well in a national competition. Most students goof off: drinking, partying, and focusing on sex. Eun-shik, a law student who’s been in the military, is older but socially inept. He likes Eun-hyo; even though his earnest and simple side appeals to her, his juvenile excesses make him irrelevant when Sung-ok, a good-looking rich kid, charms Eun-hyo. They begin an affair, leaving Eun-shik on the sidelines. The national competition approaches and complications arise.

On the eve of the founding of the Joseon Dynasty, a whale swallows the Emperor’s Seal of State being brought to Joseon by envoys from China. With a big reward on whoever brings back the royal seal, mountain bandits led by Jang Sa-jung go out to sea to hunt down the whale. But he soon clashes with Yeo-wol, a female captain of pirates, and unexpected adventure unfolds.