Alexandra Grey

When the case against a popular sports star falls through, Benson digs into the suspect's past to uncover additional victims; Velasco is disappointed when he meets one of his heroes.

A patient's reticence to tell the doctors that she is transgender leads them to misunderstand her medical issues.

An Indonesian man who doesn't speak English arrives at the hospital with a mysterious illness; Dr Halstead attends Maggie's family reunion; Dr Rhodes accepts a complicated heart surgery without consulting Dr Latham.

Dr Charles is forced to make a serious decision about Caroline and his relationship; Maggie meets her sister's new boyfriend; Dr Rhodes suffers a loss; Dr Choi and April face an unexpected challenge.

Mac and Desi travel with Bozer to his childhood home when his aunt dies in a tragic accident. They soon discover she may have been murdered for trying to expose the city's contaminated water supply.

Mac and Riley go missing and wake up 24 hours later in a cornfield with no memory of how they got there. They must unravel the mystery and find out how to get rid of the nanotrackers in their bodies, no matter the cost.