Kirsty was horrified when Darryl 's twin brother Damien ( Mark Ferguson ) arrived to the street , however Damien was nothing like his brother .
When Darryl suffered extreme burns in a fire , Kirsty realized Kirsty was in love .
Kirsty was horrified when Darryl 's twin brother Damien ( Mark Ferguson ) arrived to the street , however Damien was nothing like his brother and when he suffered extreme burns in a fire , Kirsty realized she was in love .