Early Jayne Ann Krentz - this book is Dreams Part One and Dreams Part Two.
Vintage Krentz has businesswoman, Diana, spending a summer vacation deciding what to do since her promotion was denied by the male dominated executives. In the small town she meets Colby Savagar, a horror novelist, who is also trying to come to terms with his past as the bad boy of Fulbrook Corners, Oregon. Woven into the plot is the legend of the Chained Lady. The two lovers are haunted by the same dreams of the beautiful Indian princess and the warrior who keeps her prisoner.