Erica, a troubled teen keeps Nina, an older woman, captive in a dark , vast and empty place Applying injections and tranquillizers, she leaves Nina helpless and sedated most of the time. Having no alternative, Nina sleeps to escape from that difficult and unbearable reality . In her sleep, she is in a great forest, a bucolic place, bright and quiet, where she can walk free and peaceful. But even in this paradise, seemingly magical and dreamlike, Nina will face unknown and invisible dangers