Camille is a social media influencer living in a remote country farmhouse. She curates her online presence to fit a strict traditional wife aesthetic, filming herself baking scones and performing domestic chores. Privately, she harbors intense anxieties about her strained marriage and her inability to conceive. Driven by a desperate need to fit the perfect aesthetic, she actively suppresses her past academic background in science. When her husband grows emotionally distant, she turns to a mysterious well on their property to wish for a baby.

Graham works a demanding corporate job and serves as the sole financial provider for the Deming household. He expects a traditional, submissive wife but frequently leaves Camille isolated at their rural property to play golf or stay out late. His patronizing demeanor and emotional distance leave his wife feeling severely undervalued and desperate for connection.

A supernatural entity dwelling in a decrepit well near the edge of the forest. The being possesses gray-green skin, small horns, solid white eyes, and bat-like wings. It responds to Camille's desperate wish for a baby, entering her life as an intimidating but attentive presence that operates entirely outside normal human boundaries.

Sweetheart is Camille's newborn daughter, born after an unusually rapid pregnancy following a pact made at the old well. She possesses highly unusual physical traits, including solid white eyes and an incredibly fast growth rate. Her arrival fundamentally alters the dynamic of the Deming household, demanding extreme physical sacrifices from her mother to survive.

Renee is the Demings' bubbly, talkative neighbor who presents herself as a cheerful stay-at-home mother. She drops by unannounced with homemade baked goods and frequently asks intrusive questions. Her loud demeanor sharply contrasts with Camille's carefully curated, quiet aesthetic, making her a source of constant tension.

Mara is a wildly successful online influencer known for her pristine traditional wife aesthetic and large family of eight children. She represents the ultimate aspiration for Camille, dictating everything from home decor to health choices through her posts. She dispenses advice that prioritizes conservative ideology over established science.

Camille's father is a background figure who profoundly shaped her current worldview. When she was a university student, he actively discouraged her scientific ambitions, steering her away from intellectual pursuits to instead embrace a traditional domestic role.

Melody is a former classmate from Camille's time in the CAST science program. She represents a direct link to the intellectual past Camille is desperate to hide from her current followers, actively challenging Camille's online medical advice.

Lipton is a local police officer assigned to conduct a neighborhood investigation. He visits the Deming property and proves to be highly observant, quickly noting inconsistencies in the stories told by the residents he interviews.