Widower Scott joins as sole male the New York single parents 'bootcamp' run illegally by penniless klutz Julia. her pregnant big sister pushes until Scott hires clueless Julia as nanny for his daughters, a toddler and maternal brat Charlotte, who switches from support to sabotage when she overhears Julia at the Phone discussing her hope to seduce Scott, who assured his buddy and agency travel agency partner to have no romantic interest.