A Dance of Lies Book by Brittney Arena

The book follows Vasalie Moran, a talented dancer who is framed for murder by King Illian and sent to the dungeon for two years. Upon her release, Illian forces her to become his spy during a royal gathering, promising her freedom in return. 
As Illian's demands become more bloody and dangerous, Vasalie finds herself trapped in a deadly game between King Illian and his brother, the King of the East. While navigating a web of secrets and betrayal, Vasalie must use her wit and resilience to survive and uncover a horrifying truth about her past. All the while, she is caught in a slow-burn romance with an alluring yet mysterious royal.