Saving the King. A King's Tale, #1

The fate of Camelot rest on Katrina being able to save the newborn Prince Arthur. Katrina would do anything for her long-time friend and Queen, so when the newborn Prince is thrust into her arms she promises to protect him as she is rushed with Arthur to Merlin's. When Morgana's Demon Army attacks her carriage, Katrina is outnumbered and outmatched as she finds herself surrounded with nowhere to run.
On his way home Bryan stumbled upon a turned carriage. His wolves take off following after the trail of what looks to be a small army of men. When he sees a giant painted man about to kill a small woman he rushes to help without thinking about the consequences. Riding his horse as fast as he dares, the woman in his arms lips are blue from the cold, the baby cries getting softer Bryan feels his panic rising.
Who  is she and how did she come to be traveling along with a baby that wasn't hers? Will he be able to figure out before those men come back to try and finish the job?A fantasy King Arthur retelling.