Each season, Secrets We Keep investigates a different Australian secret.  

Shame Lies & Family: A mystery photo of Amelia Oberhardt’s mum exposes the practice of shotgun marriages, forced adoption, and quiet abortions carried out in Australia until the 1980s  

Nest of Traitors: Joey Watson is pulled into the world of espionage, attempting to track down an Australian spy who turned to work for the enemy during the Cold War 

Baghdad Nights: Richard Baker takes you inside Australia's biggest corruption scandal, finding out how Australia funded a dictator in the lead up to the Iraq War.