 Sienna was raised by her controlling and physically abusive father Patrick Blake (Jeremy Sheffield), after her mentally unstable mother Anna Blake (Saskia Wickham) left with twin brother Mark, known as Dodger Savage (Danny Mac) after trying to kill Sienna and Mark in a murder/suicide attempt.Believing her brother to be dead, she was raised as an only child in a wealthy home.Sienna attended private school but at the age of 13, she had a brief encounter with a teenage boy at a school where her father was working at over the summer.