Mackenzie sits at a playground remembering fond memories with her husband Owen and daughter Aubrey. She recalls their first kiss, Owen's surprise homecoming from Iraq and proposal. At the playground with her family, Mackenzie is happy until flashes of a car accident replay in her mind. She learns that a drunk driver collided with their vehicle, killing Owen and Aubrey. Mackenzie is left devastated and grieving at their gravesite, replaying happy memories in her mind but finding only emptiness when she opens her eyes again without her family.