It revolves around a team comprised of yuppy Fang Yuan, genius boy Mi Ruo, the animated Luo Xin, and social butterfly Niu Meng. They run an insurance investigation agency which tackles all sorts of insurance cases.

A man, who does not know anything, but in fact, he is the main character, which puts him in absurd situations that makes him suffer. What the hell am I?!

Tea master Hong won the Winter Course Competition held at the Altdif headquarters. The head of the marketing team, Cha, who came to collaborate, was in disagreement. Will they be able to complete the perfect winter tea?

Big brother KWAN KA ON (Michael Miu) is an interior designer and his wife SZE LONG KIU (Sonija Kwok) is a modern housewife. The couple had always only hoped for a peaceful family, but because ON had to rescue second brother KWAN KA HONG (Oscar Leung) and help him get through the troubles of his failed business, not only does he put his career plans aside, his wife KIU also had to go back out into the workforce. His younger sister KWAN KA LOK (Linda Chung) didn't want to burden her big brother any further, so she turned to her supervisor KO WAN JIM (Michael Tse) for assistance. However, the relationship turned into unethical interaction. LOK's boyfriend TING KOON FUNG (Ron Ng) was angered by her doings and wanted to break up with her. Fourth brother, KWAN KA WING (Him Law) lives his life from paycheck to paycheck. He would rather spend his monthly salary than to take up the responsibility of owning a home....ultimately, a nightmare starts in the KWAN family.

Into Thin Air' begins with Zhing and Winnie as a married couple. One day when Zhing is solving a case about a 'Rose Murderer', his son is there. His son wants to play with Zhing and Zhing is annoyed because he is trying to catch the murderer, so he shouts at him and pushes him away. Zhing then tries to find the murderer but the murderer has escaped. After this incident Zhing was fired and wasn't a police officer anymore.

Two years later the series tells us that Zhing and Winnie are divorced. Zhing has opened a service place that helps people find lost belongings with his cousin Super and friends Bo and Yen. Zhing has opened this servicing place to help people find what they have lost and also in the hope of finding his son.

Siu and her father are in the acting industry but they play small parts in series and they help out the director. One day Siu is looking after many children that are a part of a series and she brings them to a fast food restaurant. The children are all running about and being quite noisy. Zhing and Super are at the fast food restaurant too and see all the children running around in circles. Siu loses her earring and Zhing helps her find it. They acknowledge each other and Siu and Zhing exchange business cards.

'Into Thin Air' continues with a range of sub plots, mysteries and investigations. This series is also full of suspense, romance and emotional moments.