The fugitive wife of a gang leader

At the wedding, Evelyn's father publicly killed her boyfriend Dominic's father, and then 'committed suicide out of guilt.' Dominic believed she was an accomplice, but instead of killing her, he trained her to become a cold-blooded assassin and sent her undercover to infiltrate the Belmont family, their enemies. Three years later, she finally gets close to the truth, only to discover that the real culprit behind the massacre years ago was someone else—and Dominic's wedding is about to become the next slaughter. What should she choose?