Detectives Wagenbach, Mackey and Wyms investigate a massacre at a women's shelter, and Captain Aceveda works with Lowe on the case of a stolen bicycle.

Cathy Cahlin Ryan, Corey Pearson, David Rees Snell, Jamie Brown, Jon Huertas, Marguerite MacIntyre, Mark Rolston, Matthew Glave, Matthew John Armstrong, Veena Bidasha