In1995, before Quebec's vote to secede from Canada, an American woman escapes a bitter divorce to vacation with her young son in an enclave for Montreal's power elite. On the eve of her arrival she is rowed out to stay in a deserted Victorian on an Island on Black Lake where she encounters mysterious paranormal activity. As festivities lead up to a Summer Solstice celebration, she is lured by her seductive hosts into a web of sectarian secrets and deadly intentions.
—Screenplay adapted from novel, "The House on Black Lake," by Anastasia Blackwell