S12, E18: When the police bring in two teenagers involved in a car accident, Abby and Morris struggle to figure out what is wrong with the unconscious girl, while the cops try to interrogate the other teen. Meanwhile, Neela gets a visit from her in-laws and receives some troubling news, and Kovac tells Abby that he plans to go to Africa, but when he realises she is not pleased by the idea, he decides to send someone else in his place.