D-5999 or otherwise known as Keeley is a D-class criminal of the Scp foundation, with no records of being admitted into the foundation. Along the time of testing, the foundation staff soon notice that Keeley is a bit stranger, almost immune to even the most dangerous SCPs in the facility, but being too busy with testing, the staff get back to work until chaos strikes as scp-173 breaches containment. Go alongside with Keeley as she looks for freedom with the Allies she gains along the way.