Seo Chang-dae, an ambitious political campaign strategist who ends up having ideological differences with his present client, receives a lucrative offer that will put his loyalty under the microscope.

Soo-yeon, a call center counselor, runs into Mi-kyung, her bad customer, and begins revenge!

A man heading for an appointment bumps into his old friend on the street. Coincidental encounter, trivial conversation, and subtle air. They walk together on Jongno Street for a while. They then head their own directions during a rain shower; however, another encountering awaits when the rain stops.

Ji Won plays third base for his high school baseball team. His life revolves around baseball, but he has difficulty getting extra-base hits due to his physical condition. He has anxiety about not being able to play professionally.

Min-jae, a rookie police officer with a natural born talent for driving, is assigned to the perfect team: the Hit-and-Run Squad. But at the same time, for police detective Si-yeon, it is a place she is unjustly demoted to for doing her job. The two team up to arrest the rich and powerful speed maniac Jae-chul who is suspected of committing crimes for his obsession for speed.

The detective Hyun-soo tries to track down a girl who disappeared off of a cliff during a stormy night.

Hyun, a best-selling writer, has found himself in a slump for a long time. In the meantime, he accidentally meets Yu-jin, an aspiring young writer. Hyun gets confused when Yu-jin confesses his love to Hyun. A 19-year-old student and Hyun’s son, Sung-kyung, who is skeptical about his life, meets Jung-won, a young married woman living next door. Sung-kyung has a good feeling for this freewheeling woman. A pure-hearted man, Soon-mo, who is Hyun’s best friend and also the publisher, meets his friend’s ex-wife.

Same-sex couple Eun-soo and Ye-won are living together happily. One day, a terrible traffic accident occurs and Eun-soo is seriously injured and her sister Eunhae dies. Eun-soo is disabled and Eunhae's daughter Soo-min became an orphan. Now Eun-soo and Ye-won are in a position to take charge of Soo-min.