Consequences from the Iosava catastrophe continue to wreak havoc on the Station; Daniel tries to track down Frost and Kirsch is asked to undercut Valerie as payback; Daniel finds himself the subject of a polygraph.

Daniel leads the Berlin Station crew in gathering evidence that will illuminate Langley's role in the Iosava rendition; Hector takes a new approach to atoning for bad behavior; the Shaw mantle is passed.