He's not looking for love. She needs help with a cat. Can they find a match? Guardian of her Heart Montevaro When Mark’s boss, the queen of Montevaro, signs him up for the dating app Betwixt Two Hearts, he grudgingly goes along. Casey is signed up by her best friend, before her best friend moves thousands of miles away. When Casey attends theSerenity Landing Craft Convention, a stowaway cat means she’s desperate for help and her only option is the new match from her Betwixt app. As Mark and Casey get to know each other, their apparent incompatibilities could prove to be too much to overcome – or could prove that sometimes opposites attract.