The murder of a prison inmate exposes his hidden identity. Jennifer is cornered by a dangerous past acquaintance and Simon struggles to cope with the aftermath of the deadly gold heist.

How do you catch a killer if he's already in prison? And how hard should you try to find him? The Homicide Squad struggle to find their usual drive for justice when the victim committed unspeakable crimes of his own. A hate crime where the 'hate' seems more than a little justified.

While investigating the murder, Jennifer encounters a past acquaintance who threatens to destroy her professional reputation. A little older now, and a little wiser, she's determined not to let this enemy get the upper hand a second time. Meanwhile, Simon begins to show the strain from his traumatic experience.

Source: Seven