The two-year-old girl has been found alive and well and her teenage abductors arrested. But what motivated the teenagers to take her? Investigations at the teenagers' home reveal unusual and worrying things, particularly when their internet search history is examined.

The police are desperately searching the city centre for the two-year-old child and her kidnappers. Six miles away an officer from another team is looking for two teenage truants. He hears the description of the suspects on his radio and makes the connection. They now have names for the suspects...