Ten years after miraculously surviving the murderous car accident that killed her mother and brother, and secretly taking on a new identity, Olivia returns to the French Riviera to take revenge on the people who assassinated her family. Soon she is face-to-face with the powerful mafia ring corrupting the entire region with rampant crime. Armed with unmatched determination, she succeeds in infiltrating the network by becoming the lawyer of the wealthy Chevalier clan. Doubts and mysterious murders accumulate in the family's web of lies and betrayals, presided over by the iron fist of their patriarch, Etienne Chevalier. Caught in a dangerous game of double disloyalty, Olivia is convinced they played a part in her family's murder and has to find out who and why. Carefully calculating every move, Olivia uses her sharp wits to hack into the private lives of her enemies and bring their world crashing down around them.