Shelley Thomas-Harts

Bex and the team must hunt down escaped inmate Xander Wax (John Corbett), a killer with a knack for poisoning through unpredictable methods.

When the leader of a local street gang abducts Holmes to compel him to find the person responsible for a hit on his men, Holmes and Watson get caught in the middle of an international hunt to recover a centuries old, priceless artifact. Also, Watson debates whether a personal favor Shinwell asks of her is outside her comfort zone.

After President Dalton hears about a sonic attack at the U.S. Embassy in Bulgaria, he thinks Russia is to blame and uncharacteristically threatens them with military force, leaving his cabinet concerned about his mental status. Christine Ebersole guest stars as Lydia Dalton, the president's wife. (TV-14 L)

Izzy hires Bull and TAC to defend a jockey accused of committing arson against a stable owner who fired him.

Tensions are high in the hospital as Bloom (Janet Montgomery) is overruled on a diagnosis. Meanwhile, Iggy (Tyler Labine) notices that something may be amiss with one of the hospital's most respected surgeons.