With the Dome magnetized and resources dwindling, Big Jim Rennie (Dean Norris) solidifies his position as the season’s primary antagonist. Norris, coming off his celebrated run in Breaking Bad , brings a terrifying mix of charisma and delusion to the role. In this episode, Jim is in full survival mode. He attempts to maintain control over the town while navigating the physical threat of the Dome and the political threat of Barbie.
The story picks up exactly where the first season left off: with standing on the gallows, a noose around his neck, and Under the Dome Season 2 - Episode 1
"Heads Will Roll" is not just a title—it’s a thesis. The episode explores three major themes: With the Dome magnetized and resources dwindling, Big
Picking up immediately after the Season 1 finale, the episode begins with (Mike Vogel) standing on the gallows, facing execution at the hands of Big Jim (Dean Norris). The execution is halted when the Dome suddenly becomes magnetized , emitting a deafening high-pitched sound that causes residents to lose consciousness. He attempts to maintain control over the town
: A high school science teacher who uses logic to explain the Dome's new magnetic properties. She builds a temporary electromagnet to counteract the Dome's pulses.