Barry Shabaka Henley

Selina attends a healthy-eating event at Camden Yards with some very grumpy fast-food executives, where she also confides a secret to Amy. Mike holds a press briefing for some local news pals, save for the inquisitive Leon West. Later, with the Veep delayed, Amy and Dan are forced to entertain elementary-school children.

An exhausted Meredith thinks she may have made a mistake during surgery, which could jeopardize her career. Meanwhile Izzie’s plan to throw a party for her new boyfriend goes completely awry, and Alex deals with a patient who is addicted to painkillers.

The dismembered body of a black boy is found in Central Park, amidst what appears to be Santeria type ritual materials - candles, bowls with blood. Benson (Mariska Hargitay) and Stabler (Christopher Meloni) trace the candles to a Santeria group but the leader says there's no way any of the members would hurt a child. There haven't been any reports of a missing child, but he does have an unusual scar on his abdomen. M.E. Warner (Tamara Tunie), still unable to identify the victim, says that based on tests to the bones, the child has only been in New York about four weeks, and before that was in Nigeria. The Detectives check on all immigrants from Nigeria - no one is unaccounted for. So they surmise the victim is illegal, and also realize the child could have been brought here to be sacrificed, as that is still practiced by some African cultures.

When Holmes and Watson investigate a clown's murder upstate, they discover a connection between his death and the creation of a new weaponized virus. Also, Watson helps Bell when he's targeted by his new love interest Chantal's (Chasten Harmon) ex-husband in attempt to sabotage her career at the district attorney's office.

The loss of air conditioning during a heat wave raises tension in the ER.