Nikolai the mafia don and the assassin

Angela Leventis is one of the most notorious assassins in the criminal underworld, earning her the nickname "Angel of Death." She's infamous for her ability to carry out hits without leaving a trace behind.
One night, she hits up a club in Las Vegas with her sister and unexpectedly crosses paths with mafia heir Nikolai Vasillios. To her shock, she wakes up the next morning in his hotel room, with a ring on her finger.
Nikolai Vasillios is the most feared mafia boss out there, known for treating women like disposable items. What chaos will ensue when he discovers he’s married to the woman he partied with the night before? And what about the fact that his father has already picked out a bride for him?
Can Angela escape this drunken marriage and keep her true identity under wraps? Will Nikolai stand up to his father and reject the bride chosen for him, or will the assassin and the mafia don find themselves falling for each other?