The estranged twin sister of Dodger Savage. She had a daughter Nico with her twin brother Dodger and twins Sebastian and Sophie with Warren Fox. She had an affair with Darren Osborne and a relationship with Ben Bradley whom she later married. She also had an affair with Trevor Royle who was killed by her daughter Nico. She later also began a relationship with her half-sister’s former boyfriend Brody and later went on to have an affair with her former fiance and the father of her children Warren Fox.
When Summer tells Sienna she has a crush on her, Sienna pulls Summer in for a kiss.