Depicts Rinko, who is 33 years old, heading for marriage.

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Hundreds of years ago, the patriarch of the Northern Thai royalty was infected with a 'living corpse' curse, which activated during the full moon and turned him into a mindless monster feeding off the human blood. During one of those nights, he attacked his own son and passed the curse to him. In the 21st century, his descendant tries to combat the curse with the help of his right hand and farm manager, Pha Meung. But that's not the only danger that awaits them in the forest surrounding their estate....

Snagging a new job at Heart Sports' sales department, Kanji transfers to the Tokyo office, where he meets his new colleague Rika and is reunited with his best friends from home—Mikami and Satomi. Mikami, Kanji, and Satomi have been friends since they were children, having grown up in the same small town. Mikami is Kanji's best male friend and Satomi is their platonic female friend whom both Mikami and Kanji have had a crush on since high school. After seeing Mikami forcedly kissing Satomi, Kanji felt despair, however, then quickly developed strong affection for Rika who was always energetic, funny, encouraging and caring. Their relationship was rather unstable to begin with, given Kanji's history with Satomi as well as Rika's (not so) secret affair with her and Kanji's boss Sendo [this affair was much more of a determinant in the original manga than in the drama, when Rika got pregnant bearing Sendo's child (not shown in the drama version), which was one of the reasons why Kanji chose Satomi over Rika]. In the meantime, denied by Satomi who thought Mikami was just playing with her, Mikami's attempts on pursuing his med school classmate Nagasaki had also been with much frustration.

Late Qing Dynasty, a wealthy merchant, Mr. Bai, in a small town of Jiangnan region is murdered and his death becomes the region's most publicized crime. An Pinyuan, a bounty hunter, is assigned to Baisha (White Sand) Town to solve the murder case. Slowly, he discovers that Mr. Bai died because of a secret. The four wives of the Bai family, the Japanese, and bandits all seem to play a part in the case and exhaust much of death is also closely linked to his own father's death. They both lost their lives because of a gold mine map....

Ji Sub is coming back home after an unsuccessful audition. Suddenly, a sound makes him stop his car. When he opens his trunk, he discovers young woman, Yeon Hee, who doesn't remember anything about herself. Who is that girl and why did she appeared in front of Ji Sub?

Despite being poor, Jung-Yuen is a happy teenager who gets on well with his family. During high school, he develops a crush on Shu-Yuen, a girl from his neighboring village, who is extremely smart, but reclusive with an odd personality. After they both begin university, Jung-Yuen, a medicine major, comes up with every excuse he can think of to get Shu-Yuen's attention, who locks herself away from the world in the library and her laboratory. After a lot of effort, Jung-Yuen finally succeeds in winning her heart. Mysterious equation is an uncanny love story about an optimistic doctor and a scientist who was ready to dedicate the rest of her life to science.