This book had a slow start, think trying to boil water on a low heat setting ....
Yeah, that slow!
But hang in there, this is an amnesia trope, with a twist
Oh, and then the plot heats up to a slow burn!!! Like a cozy fire right before you have to put another log on the fire to keep it going?
So if you can make it to the wedding... the book is worth your time.
Think about that log catching fire and the sparks rising up into the dark, yeah

GoodReads and possibly what's on the back cover had this to say:
Revenge is best served cold…
But their passion is red-hot!
Innocent Josselyn Christie agrees to conveniently wed the infamously powerful Cenzo Falcone to please her beloved father. But she soon realizes her new husband has only one thing on his mind: revenge against her family!
Swept off to his remote Sicilian castle, Josselyn finds Cenzo arrogant, ruthless and dangerously compelling. But when an accident causes him to forget everything...