After a heated argument, Clara's fiancee stormed out of their apartment and died a tragic accident. It's been two years, but she's still paralyzed with grief, and her friends are worried about her. So, to try to say what was left unsaid, she start's texting his old phone. What she doesn't realise is that the number has been reassigned. Across town, Sven's phone begins receiving mysterious but heartfelt text messages. He doesn't respond, but is captivated by the sender. His own relationship has been on the rocks, and when it ends he sets out to find the person who has been texting him.