He was once a boy who had dreams that never got to see become true, since he lost his battle against mental health way to early. 

Life never smiled at Matias, but in his admission in the teenager’s psychiatric ward, it managed to send a girl that soon would become more important than it should. 

But when a Borderline meets someone inside a place like this, how dangerous can it become? Come find out through the goodbye letter what really happened beyond those four walls...