Pascal and Severide revisit the storage facility fire in hopes of uncovering new evidence. Cruz helps Mouch take his studying to the next level. Novak prepares a proposal for Chief Robinson for a whole blood program.
The NCIS team is called in to investigate when a body dressed as a Navy lieutenant is discovered apparently raped and murdered.
Bailey's patient, Jackson, continues to get worse; Callie catches Owen in Cristina's bedroom; after a big blowout fight, Izzie is forced to face the truth about what is going on.
As the LAPD undergoes a major realignment, Brenda's team investigates the murder of a young girl who was house-sitting. Captain Raydor is forced to expand her audit of Major Crimes in light of the civil suit against Brenda and the LAPD.
When a P.D. informant is murdered, the team digs in to track down the perpetrator only to learn a shocking truth. Voight and Ruzek strategize to help Burgess.