Kim, Dave and they friend is in Barcelona, Spain.
They was learning spanish language. "Do you want to talk Spanish ?" their theacher said, "Well, go to Spain !"
They went to school every morning and talked Spanish. Then in the afternoons, they usually went out by bus and saw something in Barcelona.
But that day, Dave and Kim not go out by bus with they friends, but they go to Old Town, The "dangerous" old town, people said.
And right, they in dangerous, they must help the police catch the drugs seller !