Elizabeth is attending a summit in Montreal to resolve territorial claims of the North Pole when an activist group detonates a bomb and she can’t locate Jason and Piper. Also, things take a turn for the worse when Elizabeth learns that Russia was involved in the bombing, and Henry helps one of his students work through a difficult decision.
| Title | Thin Ice |
|---|---|
| Genres | Drama War & Politics |
| Release Date | 2018-04-29 |
| Episode Runtime | 00 Hours 45 Minutes |
| Season Number | 4 |
| Episode Number | 19 |
| Production Companies | Barbara Hall Productions, Revelations Entertainment, CBS Studios |
