The Border - Season 2 Episode 6 -

An American pop star collapses in New York City and her death is linked to a Canadian cancer medication, prescribed in Toronto and shipped across the border. An autopsy shows the medication to be a counterfeit. Kessler and LaGarda investigate the Canadian pharmaceutical company responsible, and its indignant CEO. Kessler discovers, LaGarda's interest in the phony drugs is much keener than she is letting on.