Social worker Cassie Allen had always fought her heart-stopping attraction to drop-dead-gorgeous Dr. Brendan O'Connor. After all, best friends didn't feel that way about each other…did they? Then, one shattering night, long-denied passion finally spilled over. Now Cassie was stunned to discover that she and her best friend were about to become parents–of twins! Brendan wanted to marry her, strictly for the sake of the babies, and Cassie reluctantly agreed. But could she really settle for a marriage of convenience with this devastating man–when she really wanted so much more from him…?