From back of book: When architect Audrey Lucas moves into a shockingly affordable apartment bulding in Manhattan, she's determined to make a fresh start, leaving behind her mother's debilitating bipolar disorder, her own struggles with OCD, and a tangled relationship. But it soon becomes obvious that something isn't right, and it's not just her eccentric, aging neighbors. Audrey uncovers a terrible secret--that a horrific act occurred in the very place she's now calling home--and its lasting effects are exerting a pwoer over her she's not sure she can control..

(Source: Harper)