Kong Tai-wai is an idealistic college student who decides to join the police force, and later becomes an undercover detective disguising himself as a chief assistant of a major drug trafficker.
Xu Liren (played by Liao Wai-hung) has always been self-righteous and harsh on others, but due to a terminal illness, he has changed his personality and outlook on life. The senior clerk Liu Qitai (played by Hui Shaoxiong) and the receptionist Li Jiaju (played by Li Jiasheng) under Liren, the former is a lonely person, while the latter is a fool. Ka Kui has a girlfriend Jenny (played by Cui Jiabao), and the two break up due to personality differences. Ka Kui once met Wen Jing (played by Lin Yingxian), a girl from the Academy of Music. Wen Jing failed to see Ka Kui's face, but she already regarded Ka Kui as her lover in her heart. Later Qitai got acquainted with Wen Jing and pursued him hard. Wen Jing was moved by his sincerity and married, but the two divorced because of their acquaintance...
When a secret police operation fails, sniper Lee Ho-yeung develops a personal grudge towards his co-worker Ko Chun-kin. Ho-yeung eventually decides to leave the police force and becomes the president of a firearms association, colluding with organized crime on the sky. Through abusing the trust of an unknowing detective and the trust of his girlfriend who still works with the police unit, Ho-yeung has secretly been working against Chun-kin, who has been kept in the dark the whole time. But when Chun-kin starts to suspect the clues within multiple murder cases, a tense standoff between the brothers unfolds.
In the early years of the Republic of China, the great powers ran rampant. The Japanese invaded and the power of the Jingwu Sect gradually weakened. In order to protect himself, Huo Dongge, son of Huo Yuanjia, ceased his activities and worked as a porter at the dock. In order to save the country and fight against Japan, the patriots Chen Gongzhe, Lu Yuting and Yao Zhanbai found Huo Dongge hoping that he could revive the Jingwu Sect and boost the country's morale and carry forward Huo Yuanjia's patriotic chivalry spirit.
Although his mother strongly opposed Huo Dongge's move to revive the Jingwu Sect, but strong sense of responsibility still drove Huo Dongge to embark on this dangerous path.
This play begins with Lin Chong being forced to go to Liangshan, and describes the encounters between Lin Chong and Lu Zhishen, then writes about Chao Gai leading Ruan's Sanxiong, Liu Tang and others to rob the birthdays, and then...
"Happy Together" portrays the daily life of the Man family, reflecting the living conditions of a typical Hong Kong family. For example, the family participates in property speculation and loses miserably, the wife works outside and causes dissatisfaction from her husband, the wife plans to invest in immigrating to a foreign country as a backup plan, middle-aged men having extramarital affairs, the wife's younger brother "Ah Chai" applies for public housing, the wife's shopping addiction, divorce between Zhu Zaibao and Dan Nao, the robbery of the Man family, Mr. Man's desire to return to mainland China for business, and Yue being forced by his mother to sell ginger as a street vendor. These were common events among Hong Kong people at the time, and the show brought these topics to television, resonating with the audience.