He bet everything on her...

 The highlander's

bridal bid 

Finding his future wife

Means revisiting his past… 

After making a pact with his brother to find a bride by the year’s end, warrior Camron of Clan Graham faces his toughest battle yet: to win defiant Anna, his first love. She’s fiercely protective of her family and her independence, so Highlander Camron must prove to Anna that she’s more than just a bet—and that he’s a man she can trust with her safety and her heart!