Many years ago Mr. Six was a notorious gangster. That was back when there was still such a thing as honour among thieves, when criminals earned respect and maintained principles. These days Mr. Six is all but forgotten, a living relic residing in a narrow alley. One day Six's son, Xiaobo, is abducted by some spoiled punks after he scratches their precious Ferrari. Mr. Six realizes that he must do whatever it takes to get his son back — even if that means returning to the life he thought he had left behind.

From World War, to revolution and ultimately rebirth, Forever Young is the story of four generations spanning a hundred years of modern Chinese history. Each generation faces its own unique set of challenges. Up against corporate corruption, the trials and tribulations of the cultural revolution, and one's duty to nation in time of war, they are faced with choosing their individual paths through history. But as the challenges and turmoil of each generation may differ as time changes, what was learned in the past cannot help but effect the choices that are made in the future as it is passed down from generation to generation. And that is the universal message that being true to yourself is precious. It is the source of strength that empowers one to become the person they want to be, to march forward as far as their hearts desire, into the future.

Song Yili, who was feeling down in life, was kidnapped by the mischievous girl Yu Xiaoju and embarked on an unknown journey. On their journey, they shared laughter and tears with people of all kinds, warming and healing each other, tearing open the dark night and illuminating the abyss. All the ups and downs and splendor of life are unique experiences.