Plot: Lee Weathers is a "risk-management specialist" for genetic-engineering company SynSect. She arrives at a rural site hosting its L-9 project, an artificial being with nanotechnology-infused synthetic DNA named Morgan. The "hybrid biological organism with the capacity for autonomous decision making and sophisticated emotional responses" is smarter than humans and matures quickly, walking and talking within a month and physically a teenager despite being five years old..
Alternative Plot: Morgan (Anya Taylor-Joy) is a bioengineered child who began walking and talking after one month of existence, exceeding the wildest expectations of her creators. When Morgan attacks one of her handlers, a corporate troubleshooter (Kate Mara) visits the remote, top-secret facility where she's kept to assess the risks of keeping her alive. When the girl breaks free and starts running amok, the staff members find themselves in a dangerous lockdown with an unpredictable and violent synthetic human.