Aaron is a 36-year-old federal agent working for a financial intelligence unit in Melbourne. He reluctantly returns to his drought-stricken hometown of Kiewarra for the first time in twenty years to attend the funeral of his childhood best friend, Luke. His departure two decades earlier was prompted by fierce local allegations surrounding the death of a teenage girl, a history that makes his presence highly unwelcome among the current residents. He is a pale, blond man who prefers to rely on logic and financial documents over town gossip.

Luke was a farmer in Kiewarra and Aaron Falk's childhood best friend. He is suspected of committing a horrific murder-suicide that claimed his own life alongside his wife and young son. Remembered as confident and loyal but occasionally moody, his death leaves the town grappling with whether the severe agricultural drought finally drove him to violence.

Greg is the newly appointed chief of police in Kiewarra, having recently relocated to the rural community to secure a promotion. Because he is from out of town, he maintains an objective view of Kiewarra's complex social dynamics and historical grudges. Unconvinced that the Hadler case is a straightforward murder-suicide, he enlists Falk's help for an unofficial investigation into the evidence.

Ellie was a quiet, introspective teenager and part of Falk's close-knit high school friend group. Her tragic drowning death twenty years ago casts a long shadow over the town, with many locals continuing to blame Falk for the incident. Her unresolved past actively complicates the modern investigation into the Hadler family deaths, as old rumors resurface.

Karen was Luke's wife and a dedicated mother to their two children. With no surviving family of her own, she was deeply integrated into the Hadler family and the local community. She worked diligently as a bookkeeper, managing both her family's struggling farm accounts and the finances for the local elementary school.

Gretchen is a lifelong resident and farmer in Kiewarra who formed the fourth member of Falk's childhood friend group. She operates her own farm while raising her young son and attempting to secure agricultural grants for the local school. She serves as Falk's primary local ally despite the town's general hostility toward him.

Scott is the principal of Kiewarra Primary School, having relocated from Melbourne with his family eighteen months ago. He worked closely with Karen Hadler on the school's financial records. He attempts to assist the police by providing security footage of the school grounds while managing his own adjustment to the rural environment.

Malcolm is an aging, aggressive farmer who owns the property adjacent to the Hadlers. He has served as the town bully for decades and actively perpetuates the rumor that Falk murdered his daughter twenty years ago. His physical and mental health are declining due to dementia, but he retains his combative attitude and intimidating presence.

Grant is Malcolm Deacon's nephew who moved to Kiewarra in his twenties to assist with the farm work. He mirrors his uncle's hot-blooded temper and actively harasses Falk throughout the investigation. He takes on odd jobs around town while waiting to inherit the Deacon family property.

Jamie is a twenty-five-year-old local farmer who lives with and cares for his elderly grandmother. He is the last person known to have seen Luke alive, having hosted him for an afternoon of shooting rabbits. His nervous demeanor during police questioning makes him an early person of interest for the investigators.

Gerry is Luke's grieving father, a long-time resident of Kiewarra who recognizes the complicated history of his son's friend group. He personally requests Falk's attendance at the funeral because he harbors deep doubts about the official narrative of the tragic event.

Barb is Luke's mother and a warm, maternal figure in the community. She historically provided a welcoming home for Falk during his childhood after his own mother passed away. She flatly rejects the idea that her son could have harmed his family and insists on an independent investigation.

Billy was the six-year-old son of Luke and Karen Hadler. He was scheduled for a playdate on the afternoon of his death but stayed home due to illness, a timing coincidence that haunts the town.

Charlotte is the thirteen-month-old daughter of Luke and Karen. She is the sole survivor of the massacre at the farmhouse, leaving the town and investigators to speculate on why she was spared.

Erik was Aaron's father who hurriedly moved them away from Kiewarra twenty years ago following intense harassment. The allegations against his son strained their relationship permanently, and he passed away before they could repair the damage.

Dr. Leigh serves as the general practitioner for the town of Kiewarra. As a medical professional in a struggling rural community, he interacts with many residents and becomes involved in the timeline of the investigation.

David operates the Fleece, Kiewarra's local pub. Despite living in the town for a decade, he still considers himself an outsider, which affords him an observational perspective on the local feuds and daily dramas.

Sandra is Scott Whitlam's wife who struggles to adjust to life in the rural, drought-stricken town. She is openly unhappy with her current environment and feels guilty regarding a phone call with Karen on the day of the murders.

Danielle is the young daughter of Scott and Sandra Whitlam. She attends the primary school and is a peer to Billy Hadler.

Lachlan is Gretchen's five-year-old son who lives on the farm with her. His father is absent from his life, and Gretchen raises him as a single mother while managing her agricultural business.

Mandy is a former classmate of Falk and Gretchen who embodies the town's enduring hostility. She actively harasses Falk in public spaces, representing the local parents' distrust of the returned exile.

Rita is the pregnant wife of Sergeant Greg Raco. She temporarily paused her own career to support her husband's ambition to take the post in Kiewarra, providing him with emotional support away from the station.

Barnes is a local police officer who assists Sergeant Raco with the investigation. He handles routine local tasks and aids in combing through extensive security video to map the town's movements.

Mrs. Sullivan is Jamie's elderly grandmother who lives with him on their farm. She struggles with memory issues but remains a constant presence in her grandson's daily routine.

Deborah works as the receptionist at the local police station, managing the front desk and facilitating movements within the building.