Kopus finds himself up against the wall and in imminent danger Harold discovers heartbreaking news about his family's past.
The contestants take part in a team competition involving lobster ravioli.
A persistent attorney goes after one of Harvey's clients Mike is faced with a difficult decision former name partner Charles Van Dyke returns with revenge on his mind.
Abby steps in as Olivias proxy and takes on duties at the White House. Meanwhile, the team continues to investigate B, and someone throws a wrench in Restons presidential campaign.
The hospital gets inundated with flu infected patients, which causes the doctors to slowly fall ill one by one. Derek must fight off the sickness as he prepares to give a speech on brain mapping and the residents place bets on who will fall ill first. Meanwhile, a new doctor at the hospital gives Alex a glimpse into an alternate form of medical practice.
A detective from the year 2077 finds herself trapped in present-day Vancouver and searching for ruthless criminals from the future.
No food, no shelter, no fresh water - one man alone in the wild for seven days with only his wits and stamina to sustain him.
Halstead's badge is revoked when Lonnie Rodiger is found dead; Severide and Clarke find Dr. Elliot's torso; Sumner tries to prove herself; Lindsay shares a moment with Severide.
As a dangerous, acidic fog approaches, Clarke, Finn and Wells set out in search of a seaweed-like plant to make an antibiotic poultice for Jasper's wounds, while a vulnerable young girl follows when Bellamy takes a group out hunting for food.
When Dallass mother passes away, she recruits Tessa to take a trip to the South with her to attend the funeral. During the trip, Dallas confronts her rivalry with her sister and her feelings toward her mother. Meanwhile, George, Noah and Fred go on a grouper that results in a stalker for Fred
Unemployed family man Neil Lester is battered to death with a paper-weight in his own home, having convinced his wife that he has been working for the past nine months
Mel is completely on Joes side when hes involved in a hit and run, until she discovers the other driver is her beloved hairdresser Calista. Meanwhile, Ryder tries to win Stella back with a grand romantic gesture during class much to the frustration of her teacher.
In the climactic season finale, Nick receives devastating news, and struggles to contain his explosive response. A surprise visitor lands in Ben's life, forcing him to make some very hard decisions.
Two murder victims are found in a West Virginia backwoods community. The investigation reveals that the homicides may be linked to a long-simmering feud between two families.
Bill backs out of coaching the girls soccer team, Frankie tries to teach Brick better hygiene, and Cassidy's painting confuses Axl.
Jim's parents come to visit and the guys' dads take them to a water park - along with hookers they met at a massage parlor.
Tom and Maya are hitting it off well, to the amazement of Bruce and Cal when trouble enters the bar in the form of Tom's ex-girlfriend. Liv makes friends with Jessica and Fab and asks for their advice with meeting guys. A group of firemen enter the bar and charm the ladies but Ron is in no mood to surrender.