Phoebe is 19, has a heart condition as well as leukemia. She has been housebound for her entire life and is doted on and fussed over by her mother, who takes every opportunity to take her sisters illness out on Cora.

Beside above, who is Phoebe in Sinner? Series Cast

Bill Pullman Harry Ambrose 19 episodes, 2017-2020 Nadia Alexander Adult Phoebe (19) 4 episodes, 2017 Victor Williams D.A. Hutchinson 4 episodes, 2018 Robert Funaro Ron Tannetti 4 episodes, 2017 Eric Todd Frankie Belmont 4 episodes, 2017
Likewise, what happened to Phoebe in the sinner?

But tragedy struck as Phoebes heart gave out during sex and she died. To cover up the death Frankies family bury Phoebe in a shallow grave and drug Cora to the point that she loses her memory. Thanks to Detective Ambrose, Coras memory is recovered and her motive for killing Frankie is revealed.

Who did Cora stab in the sinner?

Then, while examining his bruises, the ever-observant Ambrose made a connection: Cora hit Ambrose with the same pattern of seven hits that she had followed when she stabbed Frankie seven times on the beach.