1. Episode 1

5.5

. 31 May 2020. 55 min

In 1956, highly decorated military engineer Major Leo Carmichael is tasked with supervising construction of the British atomic test towers at Maralinga, in the South Australian desert.

2. Episode 2

5.5

. 7 June 2020. 55 min

The arrival of a new woman at the camp has Leo immediately suspicious, as Cranky questions his purpose following an encounter with an Aboriginal family.

3. Episode 3

5.5

. 14 June 2020. 55 min

In Adelaide, Leo sidesteps ASIO and receives an offer from Attorney General Wilcox that he cannot refuse. Back at Maralinga, Eva questions Quentin about his weather reports.

4. Episode 4

5.5

. 21 June 2020. 55 min

When Leo arrives back at Maralinga with Wilcox and members of the press, he must keep them away from the unexpected visitors hiding in the camp's kitchen.

5. Episode 5

5.5

. 28 June 2020. 55 min

When Carmen's friends, Molly, Lydia and Yvonne, are attacked by an ASIO operative, they show up at Maralinga hospital and confront Leo about the incident and question how it is that ASIO knew where to find them.

6. Episode 6

5.5

. 5 July 2020. 55 min

Leo and Corinne decide who to trust, while Eva struggles with her abductor and Cranky tells Dalgleish that he wants to stay in the desert.