Inspired by a true story - A group of scientists vanish while investigating an environmental disaster. When teen Annie Erickson learns that her twin sister is one of "The Missing," she journeys to the Canadian wilderness determined to find her. Annie's investigation leads her to the infamous Northwest Angle, a land haunted by mysterious disappearances and death. Accompanied by a rogue scientist and a political activist, Annie uncovers a secret biological weapons program named "7th Fire." As a global pandemic threatens, Annie has seven days left to stop the 7th Fire.