Suffering from depression after his boyfried, Eren Jaeger was kidnapped, and presumed dead, Levi Ackerman is balancing on the threshold of life and death. Before he can end his life, he is saved by a friend who teaches him the importance of life. Wanting to help others overcome loss the way he never was, he becomes a therapist. One day, he gets and interesting customer who might know where his beloved is. If he's still alive, that is.