As Carisi begins the long-anticipated trial of Sir Toby Moore, the SVU faces setbacks in several other cases.
A powerful friend, with a connection to a mayoral candidate frontrunner, of ADA Barba's is accused of rape, and leans on Barba to get him out of trouble.
Rollins' sister stirs up trouble and a possible SVU investigation when she reports a doctor who trades prescription painkillers for sex.
Frank and Danny try to help a rehabilitated ex-con when he becomes involved in the murder of an enemy; a prosecutor withholds the location of an alleged killer from Erin as she prepares for the trial.
Elizabeth is nervous about the safety of Henry when she travels to Rome with President Dalton for the G20 event. Henry faces the task of intercepting the bio-weapon from a doomsday cult in Israel.