To pursue the male idol flight attendant, Li Er, Wang Haixian came to the airline to interview as a flight attendant. The company hired a group of actors and actresses to play passengers to train the newcomers' adaptability. During the training process, Wang Haixian gradually realized the charm of the flight attendant profession and worked with his partners to solve various difficult passenger problems.
Senior Inspector Wai Ging Seng of the West Kowloon Crime Unit and Ho Wai Lim, Senior Investigation Officer of the Hong Kong ICAC meet unexpectedly in the process of arresting a murderer. After being framed, hunted down by killers, and turned against their partners, they join hands to surface a corruption force that includes almost the entire top-level social network in Hong Kong.