The Twilight Saga: Breaking Dawn â€" Part 1 (commonly referred to as Breaking Dawn: Part 1) is a 2011 American romantic fantasy film directed by Bill Condon and based on the novel Breaking Dawn by Stephenie Meyer. The first part of a two-part film forms the fourth and penultimate installment in The Twilight Saga film series, and is the beginning of the 2012 film Breaking Dawn: Part 2. All three main cast members, Kristen Stewart, Robert Pattinson, and Taylor Lautner, reprised their roles.After consummating her marriage with Edward, Bella realises that she has become pregnant with a child that is half human, half vampire. Further, the unborn child has many enemies in the outside world.