A man begins to suspect that his long-distance girlfriend, whom he met online but has never met in person, has been living in the same city the whole time and sets out to find her.

Seventeen-year-old Shirley (Katherine Waterston) is a good student who works as a babysitter in order to make money for college. One night Michael (John Leguizamo), a father Shirley works for, confesses he’s unhappy with married life. Shirley has a crush on Michael, and seizes this moment to kiss him. Michael is so happy he presents Shirley with a big tip, which gives her an idea. Shirley plans to make extra money by setting up her teenage friends with other unhappy fathers.