Shannon Rutherford is a fictional character from the television series Lost. She is portrayed by actress Maggie Grace and first appears in the show's first season. Shannon is introduced as a wealthy young woman who struggles with her past and her relationships, particularly with her stepbrother, Boone Carlyle. Throughout the series, Shannon evolves from a self-centered character to someone who shows growth and resilience. She becomes involved in the survival efforts of the other survivors on the mysterious island, forming connections with characters like Sayid Jarrah. Her journey explores themes of redemption and personal strength.