In 1987, James Brennan's dreams of a summer European tour before studying at an Ivy League school in New York City are ruined after his parents have a severe career setback. As a result, James must get a summer job to cover his upcoming expenses at the decrepit local amusement park, Adventureland, where he falls in love with a witty co-worker, Emily Lewin. In that bizarrely shady workplace, the young carnies have unforgettable and painful learning experiences about life, love and trust while James discovers what he truly values.