HEI TAP LAP SEUK LAN (WANG MING CHUN, LIZA) was born into royalty. Being a princess, she has had the privilege of being tyrannical and unreasonable for more than 40 years. Her son NING MAU CHUN (WONG CHUNG CHAK, BOSCO) reaches the age of marriage. She kidnaps the best girl she can find in the capital for him. Unfortunately, CHUN eventually gets married to a mountain tyrant’s daughter TIN LIK (WU, MYOLIE).
LAN constantly tries to pick bones with LIK. However, LIK is not exactly gentle and obedient. They are reluctant to adjust to each other. CHUN, who is weak and indecisive, is caught in the middle.
Everything is just pretence. CHUN is in reality very good at martial arts. He keeps his prowess a secret for an important mission.
To escape from an unwanted marriage, Princess Sing Ping flees from the Palace and wanders into the squalid "Cheung Lok Fong" where she meets Kwok Oi. Kwok Oi is humourous and knowledgeable. Princess Sing Ping and Kwok Oi go through a lot of difficulties and eventually fall for each other. They get married and move back to the palace. However, Kwok Oi is framed by villains in the palace and is wronged by the Princess. He is sent away and the Princess is to remarry a foreign prince. Will Kwok Oi and the Princess reconcile?
Sheung's Silver Chamber, the largest jewel company in Foshan, Guangdong Province China, is facing serious financial difficulties. In order to obtain a loan from Shum’s family, Sheung Hang (Paul Chun), owner of the Chamber, together with his primary wife, Choi Siu-Tip (Nancy Sit Ka Yin), plot to arrange marriage between Sheung Wan (Ng Wai Kwok), Hang’s younger brother, and Shum Wing-Tung (Winnie Young), daughter of Shum’s family. Fueled by hatred, Ching Sau-Hang (Christine Ng), Wan’s lover, marries Hang and ironically becomes Wan’s sister-in-law. Wan falls out with Hang, and opts to live abroad and disconnects from his family.
Pharmaceutical company employee Ching Sum has an overbearing wife, Ko Lai-sum. In order not to fight head-on with her, he has been avoiding her in their seven years of marriage. Lai-sum, however, has never stopped watching his move, as she always believes he is fooling around behind her back. One day, Ching Sum is caught red-handed in Shenzhen by Lai-sum, who proposes to divorce him!
Miu Chun (Gallen Lo) was once diagnosed with cancer, and became really depressed. Cheung Ka-Ka (Tracy Ip), a nurse, comforted him and later became his girlfriend. Soon after he recovered, the two adopted a cat, Can Can, and a dog, 大巴 (Dai Ba). One day 大巴 ran across a road, Ka-Ka tried to rescue the dog from an oncoming car but died in the accident herself. From that day on Chun hated dogs and abandoned Dai Ba.
Chow Chi-Yu (Myolie Wu) found 大巴 wandering on the streets and brought him back to her father's kennel. However, 大巴 carried a deadly virus and killed all the dogs at the kennel. Since then, Yu's father became employed with the pound to catch abandoned dogs. Her brother, Chow Chi-Jim (David Lui), and sister-in-law, Shui Tin-Lan (Margie Tsang) opened a pet shop to earn money for the family.
After leaving her boyfriend, veterinary surgeon Kam Wai-ting moves to Sai Kung with her beloved dog Donut and starts a new life. At her new workplace, Wai-ting meets animal communicator Wong Sing-yan. The duo often quarrel due to their different values regarding pets. In an accident, Sing-yan acquires skills for communicating with Donut, and a man and a dog gradually build a friendship and help each other. Sing-yan learns from Donut that Wai-ting has some love issues, so he helps her decipher her conundrum. The duo's relationship improves, and they gradually like each other. However, they do not have feelings of affection due to their age difference. Donut wants to play matchmaker for the duo, but it gets into hilarious situations. And its ideas even backfire. Each of the duo also has their own admirers, resulting in more obstacles in their relationship.
Although D.I.E had been dissolved and the officers returned to their previous departments, their odd habits continue to follow them, resulting in many troubles for the police force. The senior staff decide to bring the D.I.E back, this time headed by Lo Sir, Yue Sir's former supervisor. Yue Sir and Jing Jing have a baby boy and Jing jing returns to work after trying to be a housewife to no avail. Initially working with the homicide unit again, she is still always chasing Dai-Hau-Ying, and after several incidents is sent back to D.I.E. Ying seems to have become less evil than before, but Jing jing continues to attempt arrest, much to the chagrin of her supervisors.