When a businessman's bodyguard and girlfriend are kidnapped a few feet away from him, the team question if the man is as innocent as he claims; Raines grows closer to Maya, the owner of the team's favourite local bar.
After a sexual assault investigation is stalled for months, a woman puts her accusations against a popular athlete on a billboard.
After the body of a young woman is found with multiple gunshot wounds, Intelligence identify links to other deaths and realise they are dealing with a serial killer; Lindsay finally meets her biological father.
Jack decides to fully commit to his relationship with Elisa and goes shopping for an egagement ring. Meanwhile, Liz finds out that Elisa is keeping a secret. Plus, Jenna falls for an attractive EMT.