Chatterbox: Inkwell

Hi guys! This is KATNISSLOVER and I have an awesome idea for a creative story! I start with a couple sentences and you guys keep adding sentences on to it! Try to be as creative as you possibly can! Here goes...

A teenage girl named Summer was sitting on a nearby bench in the local park. To most people, she was an ordinary girl, but to herself she was a talented spy. She had been communicating with a miniscule walkie-talkie and all of a sudden, the sound went fuzzy. A stranger began to walk near her, and seconds later, everything was pitch black.....