After his business goes bust, Ng Shun and his family move back to his old apartment to stay with his father. He has not returned for 10 years because the apartment is too small for his family. Furthermore, the environment is unfamiliar to Shun's family. Coincidentally Shun's old childhood friend, Lung returns too. Due to an old misunderstanding, Shun is distrustful of Lung. Will Lung regain Shun's trust again?

Eric Tsang and stars are back with another entry into the "I Love Hong Kong" franchise this Chinese New Year with a story that is set in the 1970s, a decade of economic growth and prosperity for Hong Kong and the citizens.

Kwok Ching is a soon-to-retire television weatherman who really has long aspired to be a news anchor. At home, he's single-handedly brought up three children, but they are fed up with him meddling in their lives. His eldest daughter Mei Mei is a successful lawyer, and married to househusband Yao Ming. Tomboyish second daughter Ching Ching manages a supermarket and is in love with sissy promoter Lok Yi Nga. The youngest son Fu Shing is an otaku enamored with beautiful starlet Vivian and he unwittingly becomes the romantic rival of billionaire Roberto. Meanwhile, struck by the shocking news of the world's impending doom, Kwok Ching is determined that he must reunite his family before it's too late...