After being left in a trash can as a baby Celestia was found and raised by a mafia don. She's now 21 and a famous assassin known as 'La Vipera'; she's cold, emotionless and deadly. Men and women look at her with lust, fear and respect. Saint is the Don of the most powerful mafia in the world, after being raised by his loving parents he wants a woman to love, to be his Donna, but he only wants one woman and she is a heartless assassin who kills anyone who disrespects her. Does the guy always get the girl?