An explosion at a traffic stop puts Sherlock and Joan on two separate tracks of investigation as they try to determine whether the attack was gang-related or a terrorist attack. Sherlock and Joan suspect there is more for them to discover regarding t... (more)he recent attack on someone within their inner circle.

David Christopher Wells, David Rossmer, Heléne Yorke, Jasmin Richard-Brooks, Jason Altman, Jon Huertas, Mac Brandt, Maureen Sebastian, Namir Smallwood, Nick Choksi, Quentin Earl Darrington, Rayquila Durham, Rob Bartlett, Sam McMurray