The angel of death Thana Cirillo is the most feared person in the Russian Mafia, the right hand to Aleksander Nabockow the kingpin of the Russian Mob. She is well known everywhere and is considered the best of the best. Celeste De Santis is the direct opposite of Thana, she works for the Italian government and refuses to kill anyone. The Council of Sins is trying to take down anyone whose views don't align with theirs. What will happen when Thana and Celeste are forced to work together to bring down the common enemy. Will they take down the enemy or kill each other?