In a stately manor in late 19th-century Sweden, three sisters confront mortality and familial strife. Agnes, the eldest, suffers from a terminal illness, and her excruciating pain forces her younger sisters, Maria and Karin, to return to their childhood home. Agnes’ condition becomes the emotional catalyst that exposes the fragile and strained relationships among them. Maria hides a deep-seated vanity behind a facade of care, while Karin conceals her bitter resentment and emotional detachment.

The household's solitude is broken only by Anna, the loyal servant who selflessly tends to Agnes with genuine compassion, contrasting sharply with the sisters' superficial attempts to care for her. The sisters' troubled pasts unravel through a series of flashbacks, revealing underlying tensions and unspoken regrets. As Agnes’ condition worsens, each character is forced to confront both their personal failings and their complicated relationships with one another.