At the height of the War of Independence, Michael Collins’ squad member Jimmy Mahon is given an intelligence role while Ursula Sweeney, a code-breaker with British intelligence at Dublin Castle, contemplates treason.
| Name | Type | Role | |
|---|---|---|---|
| Colin Teevan | Writer | ||
| Simone Kirby | Guest Star | ||
| Brian Gleeson | Guest Star | ||
| David Wilmot | Guest Star |