Neena is an ambitious woman in her late thirties or early forties who recently moved into a run-down foreclosure in the affluent suburb of Atherton. She works in people management at Winthorpe Technologies, tasked with improving employee morale. Married to her childhood sweetheart, she focuses heavily on acquiring the superficial signals of extreme wealth. Her intense desire to upgrade her lifestyle drives her to pursue connections that offer financial and social advancement.

Catherine is a prominent resident of Atherton who sits on the prestigious charity wine auction board. She met her husband when she was his intern and has since built a highly curated, privileged lifestyle complete with a private jet and a vacation home in Hawaii. She works tirelessly behind the scenes to maintain her picture-perfect image and aggressively protects her position in the neighborhood social hierarchy.

Matt is a property developer who recently bought a house in an exclusive neighborhood. He and his wife have a long history dating back to their teenage years, rooted in his intervention to protect her from domestic abuse. He is highly devoted to his marriage but lacks the intense social ambition that drives his wife, making him somewhat oblivious to the neighborhood power dynamics.

William is the wealthy head of Winthorpe Technologies, a company currently awaiting a crucial FDA approval. He enjoys the privileges and status that his money provides in Atherton. Driven primarily by business success, he expects high performance from his staff and enjoys the attention his executive position brings him.

Kelly is a wealthy resident of Atherton and an active member of the local country club. She pays close attention to the community dynamics and freely offers advice to her friends regarding potential threats to their social standing.

Ned Plymouth is a married man and a former employer. His past professional boundaries were compromised, resulting in a million-dollar financial settlement to maintain his personal secrets.

Marilyn is an employee working on a critical FDA approval project. She attempts to resign from her position but faces intense pressure to stay due to a closely guarded secret regarding her family.

Brenda is an older woman who previously worked as an executive assistant. She engaged in an office flirtation with her boss years before the current events.

Dana is a former high school classmate who competed for a prom queen title. She suffered the consequences of crossing paths with a highly competitive peer.

He was an alcoholic and highly abusive man who terrorized his household until neighbors violently intervened.