24岁的克里斯汀、17岁的埃里克斯，两个人过着毫无交集的生活，其中一人会将他的女友杀害后分尸。到底会是谁？这场冷血谋杀背后的动机是什么？双线结构，镜头对准两个完全平行无交集的生命体，他们面对苦闷的现实却做出了截然不同的选择。

The young Marie, daughter of a Thuringian glassblower, violates all traditions after the death of mother and father. To feed herself and her sisters, she became the first female glassblower in the small town of Lauscha in 1890, and her artful glassy Christmas balls find themselves in America.