The Japanese characters are mostly portrayed as harsh and terrifying forces inflicting suffering on the Australian prisoners. While there are occasional glimpses into their motivations, the series tends to depict them broadly as antagonists, with less nuance compared to the novel. This portrayal has been noted as somewhat one-dimensional.

The series spans three main timelines: Dorrigo Evans' time as a prisoner of war working on the Thai-Burma railway, his passionate love affair with Amy Mulvaney before the war, and his later years as a respected surgeon. These timelines are interwoven throughout the episode to show different phases of his life.

The prisoner-of-war camp scenes are depicted with brutal realism, showing the harsh conditions and suffering endured by the prisoners. The cinematography and soundtrack contribute to a haunting atmosphere that immerses viewers in the jungle environment. The series does not shy away from the brutality experienced by the characters.

Dorrigo Evans and Amy Mulvaney share a passionate and complex love affair that is a central element of the story. Their relationship is portrayed as deeply emotional and significant, with Amy representing a lost innocence and a poignant part of Dorrigo's prewar life.

Episode 1 explores themes of war's inhumanity, trauma, love, loss, and the struggle to reconcile past and present. It highlights the physical and psychological toll of captivity, the enduring impact of love and memory, and the ambiguous search for peace after profound suffering.