Two mothers on opposite sides of the law battle to protect their sons. At the end of series one Detective Inspector Hannah Laing and crime matriarch Dubravka Mimica had both lost their sons. Davor Mimica is missing presumed dead. Hannah’s son Christian has fallen in love with Bianca Mimica. To stay safe the star-crossed lovers have been forced to flee overseas and are on the run.  Hannah is determined to finish the job her son started and expose and convict the Mimica gang. Dubravka has to complete a major drug deal and is determined to seek revenge by killing the traitor, Christian.