Ice

She won’t melt.
Everything was perfect.
With a future career in surfing and an ocean-front home, Iris Glass is one teenager who thinks she is in paradise. Her dad is the head of the police department, her mother a successful business woman. Her twin sister is a spoilt brat, but what family doesn’t have one?
Then their 18th birthday comes around.
Nothing will be the same again.
This is book #1 of the Poseidon's Girls trilogy.