Plane (Ekin Cheng), a troubled cop who hits the skids when his girlfriend Carrie (Gigi Leung) gets killed by a stoic hitman named Angel (Alex Fong). One year later he finds himself saddled with new partner Turkey (Jordan Chan), an immature cop who's in love with up-and-coming idol singer Xiao Ting (Vivian Hsu). There are the usual growing pains as the two partners learn to like and trust one another. Plane meets Xiao Ting's friend Mandy, who looks assemble to Carrie and they fall for each other. Then things go bad when Angel returns to settle some scores...