Violet Duval is a werewolf and sister to Julian Duval, and belongs to one of the five monster families that runs Chicago's underworld. She and a shapeshifter David Lassiter were at one point in love and planned on running away together, however David's brother Sal threatened her to leave him,because of the consequences that can arise from their relationship. Years later Violet was to be married in an arranged marriage her father set-up with a pack of werewolves from New York.
After hearing about the murder of Sal Lassiter, violet confronts her brother whether he was involved in it, and why he is meeting with a djinn. Julian threatens her, saying war is coming between the families and it is of no concern to her.
Later as she is leaving the Duval mansion, she realizes one of the butlers is David Lassiter, and makes him shift out of the butler's form. He tells her the reason he is at their is so she can take him to her brother to try and stop the gang war before it starts, she tells him it's useless calling him a "runaway" and herself a "bitch" and that they don't matter. Suddenly a hooded figure attacks David, but before he can kill David, the hooded figure is shot by Ennis Ross, who flees, taking Violet with him.
At his lair the hooded figure reveals himself to Violet be nothing more than a human, and tells her how Sal Lassiter and her brother were behind the murder of his young son, it's then Violet realizes he wants to start a war between the families out of his revenge, so they all kill each other. When David is captured trying to rescue her, the hunter Irv, plans to kill him; but is stopped when Violet transforms and attacks him, but is stopped by David before she kills him. Safe at her home, Violet and David share a kiss before they go their separate ways.