She was raised to believe one thing: never hesitate. Never feel. Never fail.Bound by a blood oath to the world's most feared assassin organization, Rana has never questioned an order. Cold, calculating, and unmatched in combat, she is entrusted with the organization's most dangerous mission yet to infiltrate the empire of a ruthless mafia king, uncover the secrets that could destroy him, and assassinate his only son, erasing his bloodline forever.But the man she's sent to kill is nothing like the monster she expected.Cassian is compassionate where others are cruel, gentle where violence reigns, and burdened by a darkness he has spent years trying to keep buried. The closer Rana gets to him, the more she begins to question everything she has ever believed. Every smile weakens her resolve. Every secret she uncovers blurs the line between justice and revenge.When a deadly blood curse awakens, binding their fates together, Rana finds herself trapped between two impossible choices: fulfill the oath that has defined her entire life or betray the only family she has ever known to save the man she was sent to kill.But blood oaths are never broken without consequences.As assassins close in, betrayals come to light, and hidden truths threaten to ignite a war between the assassin organization and the mafia empire, Rana and Cassian must fight not only for their lives but for a love that was never meant to exist.Because sometimes, the greatest betrayal isn't breaking an oath...It's following it.