Eccentric and demanding celebrity chef Erasmus (Steve Coogan) and his long-suffering partner Paul (Paul Rudd) live extravagantly--comfortable with the lavish life they've built together. However, when a ten-year-old boy arrives at their Santa Fe home claiming to be Erasmus' grandson, the couple find their perfect existence is suddenly thrown into turmoil.

With the child's father in prison and nowhere else to go, Paul and Erasmus decide to take him in, but such a huge compromise to their luxurious lifestyle could prove to be a disaster.