Heartbeat at Thirty Thousand Feet: Secret Love

Su Xiao is a flight attendant. She loves her job and serves passengers at an altitude of 30,000 feet every day. Gu Jingshen is a mechanic who is responsible for maintaining the safety of aircraft. By chance, the two met. Su Xiao was attracted by Gu Jingshen's seriousness and concentration, and Gu Jingshen was also moved by Su Xiao's gentleness and kindness. However, due to the special nature of their work, the two often spend less time together and more time apart. How will they maintain this hard-won relationship? In this process, they not only have to face challenges at work, but also difficulties in life...