Since relocation to Chek Lap Kok in 1998, passenger traffic at Hong Kong International Airport has increased threefold in twenty-five years. And Yeung Sheung-wai, who started out as a clerk, has been promoted to IAC Duty Manager. He is tasked with overseeing the operations of the airport. Sheung-wai also has a contingent of amicable partners, including his assistant-cum-admirer Fong Ho-yee, Lui Chi-shan – who handles airport passenger services – Chan Kit – who takes care of aviation security – and Lee Sing-cheung, who is responsible for apron services. They collaborate to assist in dealing with all kinds of incidents that take place at the airport. Sheung-wai keeps in touch with his ex-wife Cheung Yeuk-ling, Metro Harbour Airlines Airport Supervisor. Actually, they still think of each other after their divorce. The duo’s relationship is rekindled when airline captain Kwok Kai-kwong and flight attendant Ko Nga-man turn up.
The highly-watched 6:30 PM news report is the battleground for news anchors. In the news department, seasoned anchors Man Wai-sum and Leung Ging-yan split into two factions, each vying for the top spot. Wen causes quite a stir and eventually climbs the corporate ladder. The vacancy for the prime-time female anchor sparks a series of storms!
A peculiar disappearance case leaves Master Shan mourning the loss of his beloved wife. It also results in Zhang Yi Jing growing up without a mother's love. Master Shan was a locksmith, running a shop called 'Cheng Xin'. However, due to an unexpected incident, he developed dementia. He later takes on a devoted apprentice, Cheng Hao Ren. Hao Ren inherits Master Shan's exceptional locksmithing skills, becoming a master at opening locks, even surpassing his mentor. Because of his remarkable abilities, he's frequently called upon by the police, and this leads to a friendship with Officer Liu Ye Chen. To this day, there hasn't been a lock that Hao Ren couldn't open.However, during one locksmithing job, he reunites with an old friend, Lee Quan Kai, whom he hasn't seen in years. From that moment onwards, a series of strange events unfolds.
Beauty KOL Ding Yau-ying’s sarcastic style has boosted his popularity. Lui Zi-tung, incoming group boss cum beauty brand CEO, is arrogant and egotistic. She finds out Yau-ying harshly criticizes her own brand products, and the duo pick on each other as soon as they meet. Because of an accident, Zi-tung’s brain is hurt, and her mind becomes like that of a kid. Zi-tung’s father Lui Zhen-ngok and assistant Sheung Cha-lai want Yau-ying and Zi-tung to pretend they are a couple so as keep the eldest son of the Lui household Lui Tak-shun in check. Cha-lai tries his best to help Zi-tung hide the truth, but he is threatened by Tak-shun, who finds some flaw. People around Zi-tung are touched by her sincerity and genuineness, and Zi-tung also reminds Yau-ying to never forget childhood innocence. The duo begin to have affectionate feelings for each other. While they live a happy life, Zi-tung’s brain condition deteriorates.