Sharp Objects

The investigation into the murders of Ann Nash and Natalie Keene converges on Camille's own family. As Camille grows closer to her mother Adora and half-sister Amma, she begins to piece together that Adora suffers from factitious disorder imposed on another—a compulsion to make the people she loves sick so she can nurse them—and that this same compulsion killed Camille's younger sister Marian years earlier. A letter from a nurse who had cared for Marian corroborates this. Around the same time, Richard Willis, the detective Camille has been sleeping with, tells her he suspects Adora of murdering the two local girls as well.

Camille returns to her mother's house, where Adora drugs and poisons her under the guise of caretaking. Camille passes out, but before Adora can finish what she started, Richard and the police arrive and arrest Adora, saving Camille's life. In the aftermath, Richard sees the network of scarred words covering Camille's body for the first time; disturbed, he ends their relationship. Adora is charged with three murders: Marian's, Ann Nash's, and Natalie Keene's.

With Adora imprisoned, Amma goes to live with Camille in Chicago and initially seems to settle in well. But when one of Amma's classmates is found murdered with six teeth pulled out—the same signature as the Wind Gap killings—the truth comes out: Amma, not Adora, killed Ann and Natalie. She had done it out of jealousy, resentful of the attention and tenderness her mother lavished on the dying and dead girls, wanting that focused love for herself. Amma is arrested for the murders.

Shattered by the discovery that she failed to see the danger in her own home, Camille relapses into self-harm. She is pulled back from the brink by her editor Curry and his wife, who take her in and effectively become the stable family she never had, closing the book on a note of fragile, hard-won survival rather than resolution.

Same killer, and the series gets there — but it ends at the reveal and leaves the aftermath off screen.

Flynn's novel runs on past it. Amma moves to Chicago with Camille, brings a classmate home, and the classmate turns up murdered with six teeth pulled. Amma is arrested, and it comes out that she killed Ann and Natalie with three friends, jealous of the attention Adora had given them. Camille starts cutting again and is stopped by her editor Curry and his wife, who take her in as their own daughter.

The series stops at the moment Camille understands. She lifts the floor of a room in Amma's dollhouse and sees it is laid with human teeth. Everything after that is handed over in credits stings: a mid-credits scene of Amma strangling her new friend Mae, cut with flashes of the earlier killings, and a post-credits shot revealing that Wind Gap's “woman in white” was Amma all along.