Alone: A Portal Fanfic

Aperture Science employee Selene Lockheart awakens in the deteriorated facility after years of stasis. However, there's one problem: she's alone. Then she meets Wheatley, who offers to help her escape after they wake up a test subject. However, he has no idea Selene doesn't plan on escaping. Instead, she plans on using him and Chell to re-activate her only friend...