In the episode’s opening scene, Mark is seen installing a hidden camera inside a vintage clock. No dramatic music. No shaking hands. Just a quiet, terrifying resolve. He’s been patient. Now, he’s gathering evidence.

For the first time, we see Cora slip. Not a sexy, cinematic slip—a real, ugly, panicked one. She almost leaves her wedding ring in D’s car. She stumbles coming up the driveway. Her lipstick is smeared in a way that’s not fashionable—it’s sloppy .

Mark says only one line:

This post contains spoilers for Episode 5 and discusses mature themes.

The camera lingers on Mark’s face as he watches Cora laugh with another man. He doesn’t cry. He doesn’t speed off. He simply texts her: “Hope you’re having a good day. Love you.”

Enter “The Doberman.”

But Mark is parked across the street in a borrowed car—a dark, hulking SUV that fans are already calling “The Kennel.”