Lena Doran just wanted to get her degree normally. Fate had other plans. When her fellow university custodian Marcus Fortune disappears on the job, strange things begin to happen on campus after hours: Doors open by themselves. Footsteps echo through the empty halls. CCTV footage is remotely wiped by a mysterious third party.  Fed up with the after-effects, Lena and her team go in search of Marcus, only to uncover something much more sinister than a mere haunting. Something is going on beneath the very floors they mop.