In fact, Kirk was quite fearful that Liz was actually Red’s child – something that viewers have been guessing at since the beginning – but Kirk is now absolutely sure that she is his own, and he blames the “evil” Red for taking Liz (or Masha) away from him all those years ago.
While keeping Liz hostage in a fairly comfortable manner, Kirk tries to win over Liz’s trust by divulging a bit more information about his role in her past.
And if he’s telling the truth, that was some cold-hearted shit Red pulled.
Let’s start with that potential familiar connection, shall we?