Lorena Diaz

Gunshots at a wedding lead to chaos in the E.D.; Goodwin defends herself under threat of being fired; Hannah makes a decision while on maternity leave.

Ino. Ethan finds himself at odds with Natalie and Sharon when it comes to the treatment of a troubled teenager who's just given birth; Dr. Halstead treats a hypochondriac with an overbearing wife.

Malignant. Rhodes and Zanetti race to save a member of Firehouse 51; April's brother struggles during his first day at the hospital; a woman saved from a burning building leads to a bigger mystery.

Saints. A patient's life is in jeopardy when legal issues complicate an essential bone marrow transplant, Dr. Charles comes to an unusual conclusion about a homeless man's recent behavior, Dr. Manning's parents visit, victims of a hit-and-run accident.

Choices. Dr. Halstead's career is in jeopardy when he revives a terminally ill patient, despite a do not resuscitate order, a patient inspires Dr. Choi to seek advice from Dr. Charles, everyone is shocked by a revelation about a member of the staff.

Hannah faces one of the most challenging deliveries of her career; Frost navigates demanding times.