Longtime friends Peter and Joanna made a pact at 18 to marry if still single at 30. Reuniting at Peter's 30th birthday, they decide to uphold their promise and help each other navigate the dating world.

During their Senior year of high school, Peter and Joanna made a pact to get married if they were still single by 30. After losing touch for 12 years, Joanna re-enters Peter's life coincidentally at his 30th birthday party. Confronted with the unsettled reality of their lives, they decide to reinstate the pact to help each other improve their dating lives.