As winter comes to an end, Thomas Werner, a student at a German boarding school, dies one morning. He leaves behind a single letter addressed to his classmate Juli, which reads "Here is my love. Here is the sound of my heart." Shaken to the core by these words, the studious Juli sinks into deep despair. His cynical roommate Oscar finds himself watching over Juli's fragile mental state while hiding his own feelings for him. Then a new student, Eric, arrives at the school—and he bears an uncanny resemblance to the deceased Thomas...