Jack Shephard
The episode opens with a flashback of Kate Austen (Evangeline Lilly) and Jack Shephard (Matthew Fox) on Penny Widmore's (Sonya Walger) boat, following their rescue in early January 2005. Kate convinces Jack that once returning home that they should claim that Aaron (William Blanchette) is Kate's biological son, while in fact his mother is Claire Littleton (Emilie de Ravin).