It tells the story of a therapy group that is forced to confront the monsters of their past when an isolated weekend retreat tests their emotional resilience and ability to survive.。一名植物学家花费了8年的时间通过太空飞船Valley Forge保存着地球上带出来的植物标本。当接到命令要摧毁标本并返航的时候，他劫持了飞船...。