An Abundance of Katherines is the story of Colin Singleton (Logan Lerman), and his multiple relationships with girls named Katherine. By the end of his high school career, he has dated- and been dumped by 19 Katherines. Colin, an anagram obsessed, washed up child prodigy heads out on a road trip with his best friend Hassan (Jacob Naeyem), on a mission to prove a mathematical theroem. Through this he hopes he can find the answer, and predict the future of any relationship. Traveling with no specific destination, they end up in the small town of Gutshot, Tennessee where they meet Lindsey Lee Wells (Amanda Seyfried) After a short time, they find themselves employed by Hollis (Meryl Streep), Lindsey's mother that owns a local factory. They spend their summer here making memories and developing relationships while at the same time chasing the mystery of the dumper/dumpee theroem. Will Colin be able to find what he's looking for? Or will his theory remain unsolved?