Alexis is Melissa's half sister. She is a born werewolf and has been friends with the hale's for years. She is married to her anchor , Peter hale , but only a select few know of this. Alexis was pregnant with twins when the fire happened. She was watching her nephew , Scott and his friend; stiles at Melissa's house, now 6 years later, she has returned , looking for something more and to finally share a life with her husband and her twins , willow devonne hale and Haden lee hale **takes place In season 2**