The One and Only (2021) is a Drama series that follows a contract killer gets entangled with a murder case and three terminally ill women who have each decided to end the life of one person before they die. Currently, you can watch The One and Only on Rakuten Viki. Streaming availability may vary by country and platform over time. It has a user rating of 6.9 out of 10 from 23 votes. Fans of drama series may also want to explore similar titles below.