Stabler, Bell and the task force scramble to track down a murderer before he takes desperate action; Jamie blames himself when a mistake leads to further tragedy; Jet makes a crucial discovery that could save a child's life.

While Stabler is called to testify against the Brotherhood in court, the task force sets their sights on a dangerous criminal gang posing as police. Reyes finds a surprising connection to the suspects they're after. Bell receives some unwelcome news.