Brian Cox continues his exploration of the solar system with a visit to a planet that dwarfs all the others: Jupiter. Its size gives it a great power that it has used to manipulate the other planets.
June negotiates a truce in the Waterfords’ fractured relationship. Janine oversteps with the Putnam family, and a still-healing Aunt Lydia offers a brutal public punishment.
Diyoza learns more about the mysterious Children of Gabriel while Abby continues searching for a way to save Kane.
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 the recent attack on someone within their inner circle.