"Definitely, Maybe"? is a movie about a man and his daughter and trying to find out who the mother of the child is. The man, William Hayes, is getting a divorce from his wife. His daughter, Maya Hayes, wants him to tell the story of how he met her mother. So William goes through the story as a mystery having Maya trying to pick out which one of three woman are her mom. There was Sarah, also known as Emily in the story, and Natasha, known as Summer in the story, and April, who stayed April in the story. After all of that, he realizes who he loves and goes to confront her. In the end, it was a happy ending.