The series, based on Margaret Atwood’s 1985 novel, imagines a repressive theocracy that has overthrown the United States and forced women into regimented roles, including Handmaids, who are ceremonially raped and impregnated by their Commanders. It was January, and Moss was on the Toronto set of “ The Handmaid’s Tale,” the Hulu series on which she plays June, an escapee from a patriarchal dystopia known as Gilead. “Wowzers,” Elisabeth Moss said, peering down at a bloodied corpse made of silicone. This content can also be viewed on the site it originates from.