The Airport Diary Season 2 Episode 9

After taking trainees to undergo training overseas, Captain Kai Kwong returns to Hong Kong to resume duty. After much soul-searching, Cheung Wing decides to apply for a reassignment to her flight attendant position and return to flight duties. Shu Yan is reassigned to the tarmac department to work under Shing Cheung, and she has to get used to a completely different work environment. An autonomous train loses power and is halted in the tunnel, and the air conditioning system stops working. Sheung Wai, Kai Kwong, Ho Yee, Cheung Wing and some passengers are stranded, and one of the elderly men has a heart issue. Sheung Wai leads the passengers away on foot along the passage inside the tunnel, but the old man’s condition abruptly deteriorates. Meanwhile, Shing Cheung has to quickly locate the checked baggage containing the medicine to save the old man, and a race against time ensues. (Source: fairchildtv.com)