After returning from her first space mission, astronaut Sam Walker is placed under NASA’s care at a high security house for rehabilitation and medical testing. However, when disturbing occurrences begin happening around the property, she fears that something extraterrestrial has followed her back to Earth
Sam Walker
General William Harris
Mark
Dr. Michelle Aiden
Izzy
Val
Ethan Marshall
Guard
Medical Specialist
Medical Assistant
Young Harris
Young Sam
Squad Leader
Private
Troop Captain
Background
