Two Pieces of a Broken Heart

It's been three and a half years since Lauren broke up with Alex. Alex still doesn't know that he is the father of three year old Aspen who Lauren has raised alone. But what happens when Alex is ready to marry Lisa Ruocco and he finds out that he is a dad in the worst way possible? Is there hope that Lauren and Alex can find their way back to each other or is all hope lost because of this secret?