Wedding cake decorator and maid of honor in her beloved cousin's wedding, Piper Donovan must save the day when the impending nuptials are threatened by the disappearance of a bridesmaid, the discovery of a body on the wedding beach and the arrival of the lecherous, ex-drug dealer best man.

Determined to smooth things over with her mother before her impending nuptials, after her aunt reveals a startling secret, bride-to-be Lee McKinney vows to solve the decades-old mystery surrounding the apparent suicide of her mother's fiancé.

When her engagement celebration is marred by murder, librarian Lucy Richardson must once against don her detective’s hat to save both her family and her impending nuptials, while chaos ensues at Lighthouse Library between Charles the library cat and a dog named Fluffy.