Kiley Brenner is Gunnar Scott's first girlfriend and the mother of Micah Brenner, who was originally believed to be Gunnar's son.
In the winter finale, it was revealed in a paternity test that Micah is Jason Scott's son. While dating Gunnar she attended a party with him and his brother, but she got drunk and went into a bedroom to lie down, Jason came in and raped her, and Micah was conceived.