Haley and Nick Downes are a happy, successful young couple pregnant with their first baby, but when Nick's father dies unexpectedly, his estranged sister Zara suddenly shows up to town with a diabolical plan in store to make the baby and their father's fortune her own.

When ambitious wedding planner Meg Mooreland is assigned the task of being in charge of her best friend Ellie's upcoming wedding, she has no idea a series of misevents will end up giving Ellie cold feet at the last minute. Together with her college nemesis and best man Tyler, they must team up to help save the wedding, and perhaps find some romance along the way.

Two codependent best friends become addicted to the heroin-like touch of an alien narcissist who may or may not be trying to take over the world.