Simon Feil

A mathematician who was trying to decipher a highly guarded equation is murdered; a former patient's son asks Watson for a loan.

While Elizabeth is away on a retreat thinking about her presidential campaign, her staff tries to secure an international agreement to protect citizens who have been displaced due to global warming; the staff works to contain a measles outbreak.

Following Frank’s dinner with mob lawyer Angelo Gallo, Gallo is shot, and Frank narrowly escapes with his own life. Meanwhile, Danny is called for jury duty, and winds up being the sole dissenting opinion in a murder trial.

While attorney John Stone counsels Naz, lead detective Dennis Box investigates the crime.