But then, the B-plot collides with the A-plot. While Diaz is babysitting Webb's house, dispatch sends Harmon to a domestic disturbance. It’s the same address from Episode 2—the elderly veteran with PTSD. This time, the vet has a knife to his own throat. Harmon talks him down, but in the process, Webb slips out a back window and disappears.
This post contains spoilers for On Call Season 1, Episode 6. on call s01e06 mpc
When Internal Affairs reviews the clip, Diaz is threatened with suspension. Harmon is reprimanded for "escalating tone." Webb walks. Here is where On Call earns its R-rating and its complexity. As they drive Webb back to the precinct for processing on a different charge (loitering, a slap on the wrist), Diaz locks the car doors. But then, the B-plot collides with the A-plot
"You open that door, Alex, you don't come back through it." This time, the vet has a knife to his own throat
Harmon doesn't stop him. She just turns off the GPS locator in the glovebox—an act of silent complicity that will haunt the rest of the season.
The episode title, "MPC," stands for —but ironically, it’s an episode about everything the camera doesn’t see. The Cold Open: A Shift in Atmosphere Unlike previous episodes that drop us straight into a 911 dispatch, "MPC" opens with an eerie quiet. Harmon is staring at her reflection in the squad car window. Diaz is scrolling through a victim’s social media—a teenage girl who was assaulted last week, whose case was dropped due to "insufficient evidence" (a direct callback to Episode 4).
"He hurt a child, Harmon. He threatened my family. The camera didn't hear it. You did."