Chambers is a psychological horror-thriller series that follows Sasha Yazzie, a young heart attack survivor who becomes consumed by the mystery surrounding the heart that saved her life. As she begins to learn more about the sudden death of her donor, Becky Lefevre, Sasha starts to experience disturbing visions and begins to take on some of the donor's personality traits, some of which are deeply unsettling and potentially dangerous. As Sasha grows closer to Becky's grieving parents, Ben and Nancy Lefevre, she discovers that the donor's death may not have been an accident. The series explores themes of trauma, grief, and the blurred lines between identity and possession, as Sasha fights to maintain her own sense of self while the spirit of the deceased girl threatens to consume her entirely.