 John Locke brings the wounded Boone Carlyle to the caves and Dr. Jack Shephard realizes that he has severe internal injures, his lungs are perforated and his leg has an exposed fracture. Dr. Jack tries to fix Boone without the necessary resources, and recalls his former patient and fiancée Sarah (Julie Bowen), his engagement party and their vows. Meanwhile, Claire is having contractions in the woods while Charlie and Jin look on helplessly, Kate helps her to deliver the baby. Also, Shannon Rutherford is spending a romantic night with Sayid Jarrah in a remote part of the beach, oblivious to the chaos at the beach and the inland caves.