An eight part children's thriller involving stolen jewels and BMX bike riders.
With the help of her brother, and new friends as diverse as a computer whizz-kid and a BMX stunt rider, Sandra must somehow outwit a ruthless motorbike phantom.
Overview：An eight part children's thriller involving stolen jewels and BMX bike riders.
With the help of her brother, and new friends as diverse as a computer whizz-kid and a BMX stunt rider, Sandra must somehow outwit a ruthless motorbike phantom.
