: Mark Scout, a grieving widower who works for Lumen Industries .
The premiere introduces the concept of "severance," a medical procedure that surgically divides a person's memories between their work life and their personal life. [S1E1] What Have We Done?
: When Mark is at work, his "Innie" persona has no memory of his outside life; when he leaves, his "Outtie" persona has no memory of his job. Key Plot Points : Mark Scout, a grieving widower who works