During fourth period, high schooler Da-jeong finds his classmate Tae-gyu dead in a classroom and Jeong-hun standing in front of him with blood on his clothes. In order to stop Jeong-hun from becoming the prime suspect, Da-jeong must help him find the real murderer, who is still inside the school building, under 40 minutes before period four ends.
Timely like the spring rain, so has he come back into my life... Dong-ha is a thirty-something Korean man on a business trip to Chengdu, China where his company is carrying out construction projects to rebuild the city after the earthquake of 2008. There, totally by chance, he meets an old friend from his school days in the U.S. May is originally from Chengdu, and she has come back here after graduation and now works as a tour guide. Dong-ha and May were perhaps more than friends and had feelings for each other then, but they parted ways before they had a chance to define or declare them. Now that they are thrown on each other’s path again, however, they find that the old feelings remain and new ones are forming and that they resemble love.
Mu Myeong (Cho Seung-Woo) is a Joseon dynasty headhunter who meets and falls in love with lady Ja Yeong (Su-Ae) who will become the future Empress Myseongseong. A few years later, Ja Yeong enters the royal palace to marry King Gojong. Mu Myeong still having feelings for Ja Yeong and in an attempt to get closer to her becomes her personal body guard.
Ja Yeong, now as the Queen of Joseon, becomes involved in a power struggle with Russia and Japan who are attempting to colonize Korea. Furthermore, King Gojong's father (Cheon Ho-Jin), who wields true power in Joseon, works with the foreign interests which causes Ja Yeong to stand up to him and the foreign diplomats. The king's father then gives his implicit approval for the Japanese to assassinate Queen Je Yeong. Mu Myeong must now fend off these threats to protect the woman he loves ...
Though having never once in her life seen her father, Hyun-soo has never felt his absense, as there is a perfect mother for her. Her mother is also a renowned plastic surgeon, so she is never lonely, surrounded by girls who want beauty consultations from her mother. But her happiness comes to an end as her friends who have received facial surgery from her mother start to commit mysterious suicides by cutting out their faces. She also starts to feel that there is someone else in the house where she lives alone with her mother. One day, she discovers a hidden basement and there, she comes to find a secret from her past, which will bring great turmoil to mother and daughter.
Were they happy? And were their lives beautiful?After the death of his mom, Ji-hoon (Go Soo) moves into the home of Mr. Suh. Ji-hoon falls in love at first sight with Mr. Suh's daughter, In-hye (Park Jung-ah). Ji-hoon also becomes good friends with Suk-hyun (Bae Su-bin) But one day, In-hye decides to leave home for Seoul to pursue her dream of becoming an accomplished cellist, without telling Ji-hoon. Suk-hyun also decides to move to Seoul after he learns that he is the love child of President Kang, a wealthy hotel magnate.When Ji-hoon finds out that In-hye left for Seoul without even saying goodbye, he finds his way to Seoul to find her. One day, while Ji-hoon is riding the subway, Jung-woo (Park Ye-jin) takes a liking to him and decides to steal his wallet to get his attention. Through this incident, Ji-hoon gets to know Jung-woo and settles down in Seoul by enrolling in the same bodyguard school that Jung-woo is attending. The bodyguard training school finds a part-time job for Ji-hoon and Jung-woo, which is an assignment to guard President Kang for one day. Ji-hoon protects President Kang at an evening party hosted by Kang himself, and by coincidence, he also meets In-hye and Suk-hyun. The fates of four young people become hopelessly intertwined after this fateful meeting.
Detective Bang Keuk-Hyun (Lim Chang Jung) falls into debt after a loan he guaranteed for a friend becomes delinquent. Kim Mu-Ryeong (Uhm Ji-Won) works as a customer relations representative for a credit company. Her job is to go after debtors day and night. Detective Bang Keuk-Hyun is her next assignment. The few times that Det. Bang Keuk-Hyun answers Mu-Ryeong’s persistent calls he berates her with profanity. The two then meet at the police station without knowing each other’s identity at first …