A young, narcissistic entrepreneur crashes and burns on the eve of his company's big launch. With his entire life in total disarray, he leaves Manhattan to move in with his estranged pregnant sister, brother-in-law and 3-year-old nephew in the suburbs - only to become their nanny.

Adam (Mark Ruffalo) has just reached the 5-year mark in his sex addiction sobriety with help from his sponsor Mike (Tim Robbins). New-comer Neil (Josh Gad) seeks out Adam's help hoping that he'll be his mentor, but Neil doesn't have the same maturity and continues to harass women at work, on the street, and on the subway. Adam has also just met Phoebe (Gwyneth Paltrow), who might be perfect for him, but Adam hasn't been in a relationship since he recognized his addiction to sex, and Phoebe...