From their freshman year visit to an escape room through a senior adventure in London, Lulu and Alex's relationship develops from sworn enemies to true love, the biggest trip of all.

After a life spent bouncing from one foster home to the next, Allison is determined to keep others at arm's length. Adopted at sixteen, she knows better than to believe in the permanence of anything. But as she begins her third year in college, she finds it increasingly difficult to disappear into the white noise pouring from her earbuds. One unsuspecting afternoon, Allison is roped into a social experiment just off campus. Suddenly, she finds herself...