Alana Arenas

Dr Rhodes challenges the hospital staff over Robin's treatment. Goodwin looks to help a friend in need. Dr Manning contacts Detective Halstead when a case involving a young girl turns into a crime.

When a prominent alderman who is known for his urban revitalisation efforts is killed, Intelligence looks into the corruption haunting his neighbourhood.

When Laurel is infected by the bugs, Gustav and Rochelle work quickly to figure out if there is any way to save her. Meanwhile, the Centers for Disease Control has its funding temporarily cut.

The race is close; Kane turns the gears of the political machine; Meredith tries to prove her loyalty to Kane.

Laurel is scrutinised over her possible involvement with the bug infestation. Gustav and Rochelle find a way to communicate with those infected by the bugs.