Garth Duncan is the bastard son of Jed Titan. After Jed refused to help his mother and she suffered brain-damage from a tumor, Garth had vowed revenge against the Titans. He thought he could hurt Jed thru his sisters, but no such luck. Instead of rejecting him, his sisters worked to bring him in to the family and show him he belonged. Having their friend Dana keep an eye on him was even better.
Dana Birch was a deputy sheriff and she was not taking crap from anyone any more. Trying to get past her traumatic childhood, she finally realises that she must take a chance if she is ever to be loved. Garth needs a little more time to find out he can not make his mother better by destroying Jed, and he can take the chance and follow his heart and love Dana.
A really great finish to the Titan family series. Wonderful to read.