When the town begins to run low on water, the residents of Chester’s Mill begin to fight for the remaining resources. Meanwhile, Julia discovers a strange connection that two of the town’s residents have with the Dome.

When the town begins to run low on water, the residents of Chester’s Mill begin to fight for the remaining resources. Meanwhile, Julia discovers a strange connection that two of the town’s residents have with the Dome.

Tom uncovers confidential intelligence about the heart of the alien operation. Meanwhile, Charleston prepares to mount an offensive against the Espheni, but a massive explosion brings the operation to a halt. And the identity of the mole is finally uncovered, but not before more blood has been shed.

Sarah copes with the consequences of past mistakes; Holder wrestles personal demons; Seward is truthful.

Kiera and Carlos must stop Travis after he gets his hands on a second CPS suit while Alec and Emily try to escape the mysterious Freelancers and deal with a revelation about his past that could change everything.

Kiera and Carlos must stop Travis after he gets his hands on a second CPS suit while Alec and Emily try to escape the mysterious Freelancers and deal with a revelation about his past that could change everything.

Kiera and Carlos must stop Travis after he gets his hands on a second CPS suit while Alec and Emily try to escape the mysterious Freelancers and deal with a revelation about his past that could change everything.

Louis offers Mike a case and partnership that could change his future at the firm. Harvey and Jessica team up to keep Ava Hessington out of jail, but their case is complicated by an old nemesis of Harvey’s, disgraced former DA Cameron Dennis.

The Chester’s Mill residents receive an unexpected visit from their loved ones on the other side. Meanwhile, the community braces for a threat from outside the Dome.

Things seem much too calm for Tom, making him suspicious of his surroundings. On his way back to Charleston, he makes a number of discoveries, some incredibly surprising and others utterly horrifying. Meanwhile, Weaver and Pope butt heads over how to handle the suspected mole.