Overeducated and underemployed, 28 year old Megan (Keira Knightley) is in the throes of a quarterlife crisis, while her friends check off milestones and celebrate their grown-up status. When her high-school sweetheart proposes, Megan panics and- given an unexpected opportunity to escape for a week - hides out in the home of her new friend, 16-year old Annika (Chloë Grace Moretz) and Annika's world-weary single dad Craig (Sam Rockwell).