Jake, an accountant, and his dream wife, Claire, a restaurant and bar designer, are very comfortably settled into their marriage, enjoying evenings together on the couch watching TV and scheduling time to change their outgoing voicemail message. Their tame routine gets a makeover when Jake’s client, exuberant music superstar Cooper James, arrives on their doorstep looking for refuge from the paparazzi following a high-profile break-up with his girlfriend. Jake and Claire quickly discover there’s no way they can keep up with their world-famous houseguest’s effortlessly cool, fast-paced lifestyle. Cooper, however, enjoys Jake and Claire’s more relaxed way of life, discovering that a touch of ordinary can be extraordinary for all three of them.

When Cooper has to get in shape for an underwear ad, Jake and Claire are inspired to ditch their junk food and join his ultra-healthy lifestyle. With the help of Cooper and his trainer, Antoine, Jake and Claire go on the most intense diet and exercise program of their lives.

When Claire contracts the flu, Jake tries to prove to her parents that he can take care of her without their help. He even makes Claire's favorite lettuce wraps, but a flaw in his plan surfaces when everyone who eats the wraps gets food poisoning.

When Jake's father Mike arrives for a visit, it seems like their best friend relationship has picked up right where it left off. However, Jake becomes hurt when Mike opens up to Cooper about something personal instead of sharing it with him.

When Cooper turns to Jake and Claire for advice on a big romantic gesture to impress a popular singer, they realize they should start making grand gestures in their own relationship.

When Cooper asks Jake and Claire how they met, Jake keeps embellishing the story of their college romance, while Claire points out the real details of their early relationship.

Jake and Claire worry that Bonnie and Gerald are partying too hard in their retirement. Also, Cooper seeks inspiration for a new song.

Cooper helps Jake prepare for a big work presentation, and they both realize that everyone always agrees with Cooper only because he is famous. Jake asks Claire for the same kind of encouragement, while Cooper decides to seek out more honest opinions of his work.

When one of Cooper's stalkers sneaks into Jake and Claire's house, they reluctantly decide to install a home security system.

Jake worries about their finances when Claire quits her job to pursue her passion; Cooper turns to Bonnie and Gerald for financial advice.

When Cooper gives Jake and Claire an anniversary gift featuring their original wedding vows, tensions rise as they attempt to take their vows literally.

Jake and Claire decide to leave the comfort of their cozy bed for a wild night out as Cooper performs an intimate concert to debut new music.