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.
The path through life is twisted and uneven, no one has never not fallen. It's no exception for those who fight fires and save lives.
After fire fighter, Kei Tak Tin (Wong Hei)'s wife dies, his attitude to work begins to fade away. Can he let time pass so easily when he is on his most important mission? Experienced commander Tong Ming (Alex Fong Chung Sun) has been in many fires. Why can he have so much trouble dealing with his crew when he is in charge? Choi Nam Fung (Stephen Au) is left by his girlfriend because he has no future in his job. After changing to become a firefighter, his new girlfriend is worried about his safety. Will he give up on his dream job for his girlfriend? Chung Yan Yee (Maggie Cheung Ho Yee) is part of the lifesaver team. She may be strong and cool on the outside but she hides a past that she cannot reveal. Will living with a nightmare history affect her future career? Kong Yat Ngor (Yoyo Mung) is Ming's wife who depends on him a lot and brings him even more pressure. She leaves after her relationship with him falls apart. After the tears, can she compose herself again? Yip Heung Yeung (Annie Man) is in love with a martial arts instructor how is also Fung's trainer. After her boyfriend dies, Fung becomes her counsellor, but can this master and disciple overcome their reservations and be together?
Remember, life is precious so stand up with more strength after you fall.