Charlie and Frank both face serious questions about the future of their projects.
Helen and Charlie must solve a crisis at the reactor. Frank and Liza help Paloma's family. Abby begins a journey of self-discovery.
Helen and Charlie deal with a crisis. Abby begins a journey of self-discovery HD D4
Frank seeks medical answers. Charlie and Helen travel to survey an off-site reactor.
When Babbit's past comes back to haunt him, Frank clashes with Charlie to protect his mentor.
Babbit becomes the subject of an investigation. HD D4
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