Forsaken Heiress - The Mystery of the Brisand Family, #5

Dulcie Brisand's world has fallen apart before, but with the help of the people she loves, she's always managed to pull it back together. Now that those people have forsaken her, she faces an uphill battle all alone to finally defeat the man who's controlled the puppet strings her entire life: her father. Separated once again from Deacon, her one true love, the choice of who lives and who dies is placed in Dulcie's hands.
The closer she comes to uncovering her family's secrets, the greater risk to those she loves.