Grace, Annie and Tommy are growing up fast as police officers, but nothing can prepare them for the turmoil they face every day. It’s a year since the fall of the McIntyre crime gang and the vacuum has been filled by rival gangs, all competing for dominance. Constable Shane Bradley is drafted in to help, but his motivations are unclear. Tommy is dangerously seduced by the world of intelligence policing, while Grace struggles to deal with her son’s absence, and growing feelings for fellow officer Stevie. As a young loyalist threatens to take over the city, the officers face a major gangland feud – culminating in a violent and devastating confrontation.

　　本劇講述了五個收容所“不良少女”的故事，她們一段段不平凡的經(jīng)歷，折射出真實(shí)的人性以及不可回避的命運(yùn)。
　　少女早川藍(lán)（廣末涼子 飾）因一起傷人事件，被送去少年收容所。藍(lán)沉默寡言，一有機(jī)會就企圖逃出收容所，可她被教官有明悠（三上博史 飾）抓個正著。與她同寢室的是四名性格迥異的少女，安奈（中村愛美 飾）、惠里子（伊藤步 飾）、真白以及小鳩。夜里，寢室里發(fā)生了一起自殺未遂事件，原來是安奈受到了男友（洼冢洋介 飾）的教唆。她也正是因?yàn)槟杏训闹甘惯M(jìn)行援助交際，兩人才雙雙被送進(jìn)了收容所。另一方面，藍(lán)一門心思想逃出去，不服從教官管理。了解到內(nèi)情的悠，幫助了她，并和她定下了約定，要她做一個乖孩子，爭取早日出去。