Adam is 26 years old, heartbroken and living with his parents after his long term girlfriend breaks up with him. After living in misery for some months he finds their old apartment is being advertised online as 'To Let' and realizes that Kasia (his beautiful but poisonous ex) has obviously moved on. He becomes obsessed with getting her back, even if it means driving himself even deeper into the depths of his own heartache and loneliness.