In 2003, Harvard undergrad and computer programmer Mark Zuckerberg begins work on a new concept that eventually turns into the global social network known as Facebook. Six years later, Mark is one of the youngest billionaires ever, but his unprecedented success leads to both personal and legal complications when he ends up on the receiving end of two lawsuits, one involving his former friend.

In the not so distant future, Theodore, a lonely writer, purchases a newly developed operating system designed to meet the user's every need. To Theodore's surprise, a romantic relationship develops between him and his operating system. This unconventional love story blends science fiction and romance in a sweet tale that explores the nature of love and the ways that technology isolates and connects us all.