A real hero to save her heart this Christmas… Being reunited with her childhood sweetheart is quite a surprise for pediatric consultant Jessica Rae. Especially as the boy she once knew is now a sinfully sexy, lifesaving firefighter! Even now, single dad Callum Kennedy still makes her heart go boom—something this grieving doctor thought never again possible…. For Callum and his gorgeous son, Drew, Jessica could be just what this heartbroken little family needs. And he'll do anything to convince her that he's just what she needs, too…starting with a heart-stopping Christmas kiss!