The sudden disappearance of a sister, signaled by a cryptic suicide note, forces a reserved academic to confront the buried trauma of their shared childhood. Catriona, a focused scholar of Romantic poetry, finds her orderly life dismantled when her sister Flora vanishes from her rural home. As Catriona initiates a search, she must navigate the tension between her own clinical detachment and the chaotic, hidden history that once defined their family. The narrative follows her descent into a past she long ago attempted to erase, testing the limits of her intellectual control against the visceral reality of her sister's potential deception or demise.

This novel presents a character-driven mystery that prioritizes psychological depth over traditional procedural tropes. The narrative structure suggests a focus on the slow unraveling of secrets, appealing to readers who prefer atmospheric tension and domestic suspense. By contrasting the lives of two sisters, the book highlights the disparate ways individuals process and bury shared history. The premise indicates a methodical approach to uncovering the past, where the investigation serves as a catalyst for the protagonist's internal transformation.