The Dark Prince 3: There Can Only Be One

Prince Martin finally found the love he had been looking for. He and wife Kristine settled into their happily ever after until a dangerous foe returns and threatens to take it all away. Except Katrina doesn't want him or her, she wants their son.
Martin and Kristine know their child is special but doubt he’s a vampire.

Meanwhile, the rise of new synthetic vampires keep the vampire hunters busy. They go on the offensive and track down the source, coast to coast slaying vampires while staying on guard for Katrina.

They stay one step ahead of Katrina but know a showdown is inevitable because THERE CAN BE ONLY ONE.