獸醫金惠婷與男友分開後,帶同狗狗冬甩搬進西貢開展新生活。惠婷在新的工作環境遇上寵物讀心師汪聲仁,因二人對寵物價值觀不同,時起衝突。一次意外,聲仁得到與冬甩溝通的能力,一人一狗逐漸建立友誼並互相幫忙。聲仁從冬甩口中得悉惠婷為情所傷,助她解心結,二人關係好轉,且慢慢互生好感,卻因年齡差異,感情裹足不前。冬甩欲撮合二人卻鬧出不少笑話,甚至弄巧反拙;二人亦各自有追求者,令彼此關係再添障礙……
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.