Annika Boras

Detective Sherlock Holmes investigates a home invasion that led to murder.

Betty tries to make amends when Gio returns; Daniel receives some shocking family news.

The Machine issues the number of a prominent New York lawyer whose husband was recently murdered, and the team has to quickly determine whether she orchestrated the death, or if she is being framed. Meanwhile, Carter faces an issue with her new partner, Mike Laskey, after he spots her with Reese aka "The Man in the Suit."

When Bull is sidelined with a back injury, Marissa and Chunk are forced to go to court without him to defend Marissa's closest childhood friend, Kyla, a tech CEO accused of wrongfully terminating an employee.

More clues emerge about the fire that killed Shay, leading Severide to a former nemesis; Shay's sister visits; Cruz is faced with a surprise; Boden tries to help his father.

The pursuit of a missing teenager leaves Mills and Brett stranded in unforgiving elements; members of the firehouse care for an abandoned newborn; Severide receives an intriguing proposal; Boden is at odds with his father (Richard Roundtree).