Braedyn is a resilient single mother who relocates to the mountain town of Starlight Grove a year after her best friend vanishes on a nearby hiking trail. Having escaped a highly toxic relationship with her abusive ex, she dedicates her energy to raising her eight-year-old son, Owen, and training her search-and-rescue dog, Yeti. Frustrated by local law enforcement's refusal to keep the case open, she secures a waitressing job at The Boot and seeks unofficial avenues to find answers.

Dex is a former FBI hacker and one of five brothers who grew up under the shadow of their father's violent crimes. He secretly operates the Hourglass Network alongside his siblings, investigating missing-persons cases outside the confines of the law. Reclusive and brooding, he attempts to isolate himself out of fear that he inherited his father's darkness, but his walls begin to break down when he meets his new neighbor.

Travis is a deputy in the local sheriff's department. Unlike his dismissive superior, he expresses sympathy for Braedyn's search for her missing friend and checks in on her at her new workplace. He maintains a friendly, helpful veneer within the Starlight Grove community.

Vincent is Braedyn's wealthy, abusive ex-boyfriend and the biological father of Owen. He abandoned Braedyn when she first became pregnant, initially offering her a large sum of money to hide the child's existence from his prestigious family. He utilizes his financial resources to digitally stalk and threaten her.

Ezra Miller serves as the sheriff of Juniper County. He exhibits a callous attitude toward missing-persons cases that do not fit his personal priorities, quickly labeling disappearances as tragic accidents to clear his desk. He harbors an intense prejudice against the Archer family and uses his authority to obstruct both official and private investigations.

The eldest of the Archer brothers, Wylder acts as the sober peacekeeper for his traumatized siblings. He owns The Boot and takes a deliberate, measured approach to community interactions. Behind the scenes, he utilizes his innate profiling skills to assist his brothers in their clandestine investigations into missing persons.

Kol is the second oldest Archer brother and works as a Forest Service investigator. He relies on rigid rules and structure to cope with his childhood trauma, using his professional tracking skills to protect the wilderness. He is a devoted single father who often struggles to accept the unconventional methods his brothers use to solve cases.

Orion is the deeply traumatized middle brother of the Archer family. He lives as a recluse in a heavily booby-trapped house on the family's property and has not spoken a word since a violent, life-altering confrontation with his father during childhood. Despite his isolation, he contributes to his brothers' covert network through his exceptional mapping skills.

Maverick is the youngest Archer brother. He uses humor, bravado, and a thrill-seeking attitude as armor against the pain of his family's history. Despite his reckless exterior, he possesses extensive medical knowledge, making him an essential asset when injuries arise during his brothers' secret investigations.

Waylon is the eccentric, loving great-uncle of the Archer brothers. He stepped in to raise the boys after their father's crimes were exposed, providing them with a safe haven and unconditional acceptance. He lives at Twisted Oak Ranch, where he cultivates a whimsical environment filled with clocks, cryptid memorabilia, and peculiar indoor pets.

Nova is Braedyn's missing best friend. Before her disappearance, she served as a crucial support system for Braedyn, acting as a birth coach and co-parent to Owen when others abandoned them. Her vanishing during a girls' weekend hike serves as the primary mystery that drives Braedyn to relocate and investigate the cold case.

Owen is Braedyn's eight-year-old son. Unaware of the true, dangerous reason for their move to the mountains, he simply tries to adapt to his new surroundings and prepare for summer camp. He is an observant and enthusiastic child who quickly forms an attachment to his mother's tech-savvy neighbor, Dex.

Yeti is Braedyn's dedicated dog. Braedyn trains him extensively in search-and-rescue techniques, specifically teaching him to locate both living people and human remains to assist in the ongoing search for Nova.

Roger is a sergeant in the Juniper County Sheriff's Department. Unlike his boss, he demonstrates quiet sympathy for Braedyn's situation and secretly offers to connect her with a tech-savvy friend who might help her bypass official channels.

Aster is a local therapist who provides emotional support to families dealing with ambiguous loss. She quickly befriends Braedyn through the Compass group and helps her process the trauma of her ongoing search by offering memory recall techniques.

Cora is a waitress at The Boot and a member of the local Compass support group. She understands the pain of ambiguous loss, as her own mother has been missing for over a decade, and she quickly extends a warm friendship to her new coworker.

Skylar is Kol Archer's young daughter. She is fiercely protected by her father and enjoys a close, affectionate relationship with her various uncles at Twisted Oak Ranch. She quickly proves willing to stand up for her new friends at summer camp.

Edmond is the deceased father of the Archer brothers. Exposed as a serial killer years ago, his horrific crimes left a permanent stain on his family's reputation in Starlight Grove. Though he is dead, his legacy casts a long shadow over his sons' lives and self-worth.