Liliana and her twin - Isabella - were both kidnapped from their family ( the Italian mafia ) at 3 years old by the Russian mafia as revenge and put into foster care in Spain. Their family never found them and eventually gave up looking. Liliana and her twin couldn't be more different. Liliana is cold, distant. everyone and everything knows not to mess with her, her one weakness? Her twin sister Isabella is the most vulnerable, bubbly person you could imagine and the only one that Liliana would drop anything and everything for although isabella doesn't know it. They were put into foster care at 3 years old and had been lucky enough to have been kept together in the system. But one day Liliana disappeared for 2years when she was 12 and came back completely different. Cold. Ruthless. Dangerous. And the most feared assassin in the underworld, but 'diabla' identity is kept secret from everyone except for her allies in other mafias and her best friends. What happens when their abusive foster parent - jhon - dies and they reunite with their parents and 6 older brothers after all this time?