Saeba Ryo, the lead character of "City Hunter," comes off as an easily flattered guy. His true identity is that of a city hunter - a brilliant sweeper. Upon request, he sets out on the streets to "sweep" away the bad guys and teach them a lesson. This is how he earns a living. His partner Makimura Kaori takes care of him and they do everything they can to be there for each other. "Angel Heart" begins where these two find themselves in a desperate situation - Kaori suffers a freak accident, which leads to her untimely demise.
In the midst of all this, a mysterious beautiful girl named Xiang Ying enters Ryo's life. It turns out that Xiang Ying is a heart transplant recipient, and the heart that she received belonged to the brain dead Kaori. Xiang Ying got another chance at life, thanks to Kaori's heart! Just what is Xiang Ying's true identity? As Kaori lives on within Xiang Ying, what will become of her relationship with Ryo? -
He Ting Yu is a famous violinist who's just returned from an overseas tour. Chen Hai Jie is a hardworking dreamer who came to the big city to become a world class violin player. Lan Die Fei is a charming girl who has a beautiful voice and an ear for pitch. Alice is a mysterious girl from Japan who wonders the streets searching for the secrets of her past. The seeds of their dreams are planted in the city; they are all waiting to see if one day the seeds will grow to bear fruit.