The drama is about the small happiness that the people of today enjoy, following Jin Soo, who works to overcome everyday stressors with 12 small sources of happiness, and his romance with a woman, Jung Soo, who appears to him during his time of modest happiness

25-year-old Moriyama Mikuri graduated but had no job offers. She became a temporary employee but was even laid off. So while she is taking a break right now, Mikuri feels unwanted and displaced. She starts work as a housekeeper for bachelor Tsuzaki Hiramasa by chance. One day, he proposes a contract marriage to her. The two of them get married in secret, but will their married life work out?

Mimi Ozakura is single and about to turn 29. She works as an occupational health physician at a corporate clinic. She is a perfectionist at her job. She will not compromise a person's health with anyone or for any situation. This is how she picked up the nickname "Clinic Dictator." She's busy with work and dealing with situations like the coronavirus outbreak. One day, Mimi Ozakura realizes that she wants to fall in love. She then meets someone on social media. She doesn't know that person's name or what they look like, but she still falls in love with that person. Mimi Ozakura soon realizes that her love interest works at the same company.

When a building is completed, the focus of attention is often on the investors, designers' ideas, unique shapes, and cost of speech. Who cares about the "dangerous construction, idlers do not enter" iron fence surrounding the building. Where is the construction worker? Everyone has an endless story about the cement workers, welding masters, foreign workers, women workers, and construction workers on these sites

Based on the true story about Aizawa Hospital ( Matsumoto City, Nagano Prefecture ), where Nao Kodaira who won a gold medal at the 500m Woman's speed skating at the Pyeongchang Winter Olympics 2018 works, has received a miracle after falling into a bankruptcy crisis due to large debts.

Detective Ji Bai has to train a new recruit, the criminal profiler Xu Xu. Although she is great at determining one's thoughts, she doesn't know how to interact well with people. But that's not the reason why Ji Bai intend to fire her. She's very talented in the art of profiling, yet lacks in physical ability, running as slowly as a snail. Still, impressed by each other abilities, the teacher-student pair slowly fall in love in the midst of their investigations.

Adapted from the novel “When A Snail Loves” (如果蜗牛有爱情) by Ding Mo (丁墨).

Molly dreams of being a fashion designer but she has to give up her dreams of being a designer to run her family’s truck business. So will Molly sell the truck business or follow her dreams of being a fashion designer?

Pak Boong and Goong Nang are two people who look alike but have different personalities. Pak Boong was born into a poor family and her mother is kind of abusive. While Goong Nang was born into a rich family. Pak Boong also knows how to fight or do Muay thai, and knows how to protect herself, while Goong Nang is the weak one. One day, they meet and decide to switch places with each other.