To quell the anxiety of his concerned, socially conscious parents, Lorenzo tells them he's been invited on an exclusive ski vacation. His real plan: for one blessed week, Lorenzo will retreat to a forgotten cellar in his family's apartment building, where he will live in perfect isolation, keeping the adult world at bay. When his estranged half-sister, Olivia, shows up in the cellar unexpectedly, the two become locked in a battle of wills, forced...