Severance Season 2: What is Cold Harbor?

Severance's Season 2 premiere, "Hello Ms. Cobel," has already left us with a ton of questions. Is Lumon really telling the truth about severance reform? Why is Helly (Britt Lower) lying about what she saw in the Season 1 finale? And what in the world is Miss Huang's (Sarah Bock) deal?SEE ALSO:'Severance' Season 2 may already be the best show of the year: Review
But perhaps the most pressing question surfaces in the episode's final seconds, when Mark (Adam Scott) returns to work in Lumon's Macrod