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.
The Prince is in dire straits. He endures multiple ordeals and turns the situation around. On his father's order, Pak Sing State Fourth Prince Kei Wai, goes to Ko Lin Sun State to marry Princess Nap-hak Won-yau. On the way, the couple plunge into a lake and become forgetful as they are ambushed. They are stranded in Sau Chun Town, which is in a state of anarchy. Dodgy types are everywhere in this town, and different gangs want to take over as the town leader. Kei Wai and Won-yau are kindly offered shelter by Yik Fung Escort First Master Kau Yung and Second Master Fok Ching-shan. The couple befriend escort guards Kau Chin-dou and Fok Siu-mui. By virtue of his intelligence and kindness, Kei Wai repeatedly helps the escort overcome hurdles internally and externally. King Kei Kwing flees to Sau Chun Town as he is overthrown. Troops converge on the town, and the townspeople vigorously put up resistance. Are Kei Wai and Won-yau able to defuse this dangerous situation?