Merjen tells the story of two childhood friends, who grow up to become lovers - a morbid relationship rooted in visceral sexual attraction, which quickly spirals into the dark realm of domestic abuse and leads to two vicious murders. With motherhood as its core theme, the story unfolds in the sordid back alleys and slums that are Merjen's world, as this broken yet fiery woman, an absent mother to her toddler Chris, is inexorably propelled towards ultimate tragedy.