Saved by a mistake

Alex, a mute 19 year old girl. After being abused by her parents since young, her father killing her mother when she was age 15, sent to jail threatening to return for her. Taking martial arts and boxing for the last four years, now earns her money through street fights until one day kidnapped by a group of 7 boys. Will these boys help Alex, who has blocked herself from the world since adolent, or will they screw up her plan?