When a pregnant woman is diagnosed with cancer, Mitch is caught up in the pain she and her husband suffer trying to decide between treatment or a termination. A fit man presents with an inexplicable range of symptoms and it takes all of Connor and Luke's tenacity to track down the source of the problem. Ben and Bron are called out to a junk yard to attend to an injured girl but also find themselved helping the owner when he collapses. Terri's mother asks her to return home to help care for her ailing father.