Julian Cheung
Samuel Tong (Francis Ng) resides in the UK to spend a long vacation following his wife's death. After encountering Holiday Ho (Fala Chen), a wanderer whose boyfriend died in an aviation accident, he ends his vacation early after finally making the cake thanks to the unintentional help from Holiday Ho that he once made for his deceased wife, Zoe (Myolie Wu), he returns to Hong Kong, and joins Skylette Airlines as a pilot to fly again. He meets Captain Jayden "Captain Cool" Koo (Julian Cheung), and the two exhibit two distinct personalities, with Sam being reserved and Jayden being a man who likes to attract attention.