Grayson Ace, the eldest of the Ace brothers and mastermind behind the Four Aces Hotel and Casino, has always had his life under control, until he discovers he's the father of an 18 month old girl. Suddenly, his carefully curated world is thrown into chaos.Unable to balance CEO duties with fatherhood, Grayson hires a nanny, Lily Hart. Smart, fierce, and utterly irresistible, Lily awakens emotions in Grayson he never knew existed. Despite their growing, undeniable attraction, both fight to keep their distance...until a single, stolen kiss changes everything.As their passion ignites, danger lurks closer than ever. Attending his brother's wedding with Lily, Grayson finds their world ripped apart when armed assailants strike, targeting the Ace fortune. Survival becomes a fight for the lives of everyone he loves, and nothing will ever be the same.Explosive, romantic, and dangerously thrilling, this is the electrifying finale to the Ace Brothers series.