We're all just one pain away from lunacy.A seaside inn. An elegant party. A black dress. What could go wrong? For Delilah Duffy, expert mistake-maker and trauma magnet, just about anything. With her bookstore failing and the chaos of her recent crime-solving adventures still plaguing her, the last thing she needs is a party or another mystery to solve. But, her curious-to-a-fault nature propels her into both. With nightmares, anxiety, and panic intensifying, Delilah doesn't know what's real and what's in her head. Convinced something sinister is at work, Delilah searches for answers, if only to prove that she isn't crazy. With her bookstore and her relationship with Sam at risk, Delilah drifts into dark waters. Is she becoming a lunatic or facing one?