Because his fiancée... is a murderer! Cat: And that's Marvin over there. Cat: Michael's in the music business. Marvin: In a nutshell, yes. Oh, Owen and Denise.
Plan: A: a vacation house; Q: Where was Cat and Michael's wedding weekend? A: a murder mystery; Q: What is Owen entwined in during Cat and Michael's wedding weekend? A: Owen; Q: Who must solve the murder mystery? Summary: Cat and Michael's wedding weekend at a vacation house sees the doctors and their partners entwined in a murder mystery which Owen must solve.