Either the Scottish castle she has inherited is haunted, or someone is determined to scare the wits out of Heather Macdonell. For Soruba House echoes nightly with eerie sounds that may or may not have a human source. However, with the arrrival of her old friend Penny Spring, she is able to put her mind at ease. At least until the first murder occurs. Once the body of Amy McClintock, laird of nearby Sheena Castle, is found drowned, the isolated seacoast seems aswarm with suspects. And Sir Toby summoned to the scene, appears to be singularly unhelpful. Especially when Penny ends up helplessly adrift at sea, headed toward the dreaded whirlpool called the Corrievreckan.