: Season 7 Episode 46

The siege drags on as Inspector Grace tries to bring things to a safe conclusion. As the terrorists' deadline arrives with no progress, they carry out their threats and kill Tammy, dumping her body outside the prison. Myra is told that she must choose the next person to die. In the kitchen, Lou and Lexie make a failed attempt to escape. Julie crawls through the air-conditioning in a bid to contact the police.