Olivia Horton

Jane and Maura are called out to the BCU "Body Farm" (an academic research facility dedicated to the study of human decomposition) when a murder victim is found buried in a shallow grave among the research corpses. Angela has secrets she is keeping buried from Jane.

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).

After a baby is found on a playground, Detectives Stabler and Benson look for the child's caregiver.

A friend from Bull's past enlists his services to help convince a jury that a domestic abuse survivor who shot her husband in his sleep is not guilty of murder because she feared for her life and the life of her unborn child.