Jenna is a seventeen-year-old girl who has just emerged from a lengthy coma following a terrible accident. Having lost her memories, she relies on dictionary definitions and old home movies to piece together her former identity. She struggles with the disconnect between the person she sees on screen and the person she feels she is now. Her innate curiosity drives her to explore beyond her parents' strict boundaries.

Jenna's mother is a fiercely protective woman who orchestrates her daughter's rehabilitation and environment. She busies herself with restoring their old Cotswold cottage and strictly controls Jenna's movements out of fear for her safety. Her intense love for her daughter manifests as overbearing authority and a desperate need to maintain normalcy.

Jenna's father is a wealthy doctor and the head of a medical research corporation. He is frequently absent due to his work but maintains a strong emotional investment in his daughter's survival. He approaches Jenna's recovery with a mixture of parental adoration and scientific exactness.

Jenna's maternal grandmother is a former doctor who now dedicates her time to cooking and gardening. Following the death of her husband in a bacterial epidemic, she harbors deep religious convictions and guilt over modern medical interventions. She displays an unusual stiffness toward Jenna, contrasting sharply with the parents' joyous reactions.

A student at the local charter school focused on ecosystem studies who also volunteers at the mission. He carries a difficult history, having spent a year in juvenile detention for assaulting a drug dealer. He is quick-tempered but inherently kind, offering Jenna a sense of normalcy without treating her like she is fragile.

A passionate classmate of Jenna's who advocates for strict government oversight in medical procedures. As a quadruple amputee utilizing prosthetic limbs following a severe infection, she channels her experiences into a firm belief in medical ethics. She is highly principled and quick to welcome Jenna into their small social circle.

A student at the local charter school who has been expelled from multiple other institutions. Characterized by his striking white hair and teeth, he presents an initially intriguing but increasingly unsettling presence. He is blunt, manipulative, and seemingly devoid of empathy.

An environmental artist and the Foxes' reclusive neighbor. He creates art designed to naturally decay into the environment, reflecting his belief in the cycle of nature. He quickly becomes Jenna's first confidant outside her immediate family, encouraging her curiosity and treating her like a capable young woman.

One of Jenna's two best friends from her life in Boston before the accident. She represents the freedom and normal teenage experiences Jenna once had, notably encouraging Jenna to step out of her comfort zone and assert her own tastes.

A close friend of Jenna's from her past life in Boston. Along with Kara, he is a central figure in the memories Jenna attempts to piece together as she reconstructs her history and tries to understand who she used to be.

A priest at the local Catholic mission who provides spiritual counsel. He shares Lily's traditional values and meets with her to discuss cultivating natural, non-bioengineered plants in a world heavily altered by scientific advancement.

A security advisor working for Jenna's father. He monitors the family's safety and surroundings, reflecting the high-stakes environment surrounding the Fox family's sudden relocation to California.