Everly Hart, a talented griever and amateur detective, is sent away to Echo Bay in the aftermath of a high-profile case. As she arrives in the small coastal town, she quickly realizes that the place is not as idyllic as it seems. The tide brings danger and death every seven years, and the locals whisper about a pirate's cursed treasure buried somewhere on the coast. Is it a curse or a grimm creature behind the deaths? As Everly...