First, a drunken groom accosts Harriet in the hotel bar, and his outraged bride-to-be decides Harriet is making moves on her man. The next day, Jennifer storms into a "getting to know you" conference party and slugs her hard enough to crack an eye socket.
No wonder, then, that Harriet is suspect number-one when Bridezilla turns up dead, and thing go downhill fast. It's up to the Loose Threadsagainto figure out who did what to whom before and save not just Harriet but her best friend Lauren as well.