Harriet has always carried the weight of her family's troubled past, especially the loss of her mother. As the story moves forward, her behavior starts to change in strange ways, and her best friend, the narrator, begins to sense that something is off. The narrator, not fully aware of what Harriet is going through, stays by her side, trying to figure out why Harriet is acting so differently. As the story deepens, it touches on important themes like family secrets, and the complicated nature of friendship. All of this builds up to a surprising twist that changes everything the narrator thought she knew about Harriet and their friendship. It's a story about trust, hidden struggles, and the things we might not see in those we care about.