Erica Bain is the main character in the 2007 film "The Brave One". She is a radio host in New York City who survives a brutal attack that leaves her fiancé dead. After the attack, Erica becomes traumatized and seeks justice for her loss. She buys a gun and starts using it to take revenge on the people she believes are responsible for the crime. As she continues down this path of vigilante justice, she grapples with the moral implications of her actions and must ultimately face the consequences of her choices.