Matt's Flat is the home of ARC field leader Matt Anderson. After rescuing each other from Arboreal Dinosaurs, Matt hid Emily Merchant, an Anomaly Traveller from the mid-1800s, in his flat. Her accomplice Ethan Dobrowski was hunting her for revenge after the death of his beloved Charlotte Cameron. (Episode 4.3)
Matt told Emily to draw a picture of Ethan so they could look for him after Matt tended to a Therocephalian incursion at a school. Whilst Matt was away, Ethan arrived and kidnapped Emily. Matt later arrived, confused as to why she was missing. (Episode 4.4)