Ava Winters is young, beautiful and the heiress to Napa's prize Starling Vineyards. She is also in love with the perfect guy ... at least that's what she thinks until he helps take everything that was once hers. With no place left to turn, Ava finds herself on Rebun Island, Japan, the site of Takeda's Revenge School where she trains to be mentally and physically strong enough to enact Revenge. On Rebun Island, Ava meets Emily Thorne who has recently returned to her training with Takeda. Emily shares her wisdom about Revenge and the importance of looking for justice in a world where enemies thrive. Four other trainees are on the island preparing for their own personal vengeance a handsome yet guarded guy, a feisty young woman and the man who will do anything to protect her, as well as a girl who has no memory or idea of who she is or why she's there. Conflicts arise, bonds are formed, and romance blooms. The trainees learn that their missions are connected and that all roads lead back to Ava's home in Napa. They have a chance to take down those responsible for their loss at Starling Vineyards' annual gala. But to get there on time, they must leave Japan and Takeda before their training is complete. Are they ready? Will they succeed? Will they even survive?