Gates of paradise - V. C. Andrews

The Casteel family saga continues for Heaven's daughter Annie. When her parents are tragically killed in a car accident Annie is taken to Farthinggale Manor, a place she has always dreamt of visiting. But on her arrival Annie quickly realizes it is a cold and dark place, still hiding many family secrets.

SEASON OF DARKNESS

Heaven's daughter Annie, a sweet and loving young woman,
has known the sort of happy home that always seemed out of her mother's reach. But a terrible, tragic car accident changes all that.

When her mysterious 'great-grandfather' Tony Tatterton takes her to Farthinggale Manor, he promises to look after all her needs. But Annie pines for her lost family, most especially for Luke, her half-brother, the loving confidant of her childhood. Soon she becomes lost in the despair of the decaying mansion.

Then Annie discovers the secret cottage owned by Tony's
brother Troy, and the mystery deepens