喜欢收集蜗牛的女孩格蕾丝（莎拉·斯努克 Sarah Snook 配音）在被迫与双胞胎吉尔伯特（柯蒂·斯密特-麦菲 Kodi Smit-McPhee 配音）分开后，结识了古怪的老奶奶萍奇（杰基·韦佛 Jacki Weaver 配音），逐渐找到新的希望和快乐。

　　In the year 2961, the time is after humanity and nature has recovered the land. A hunter named Cygnus is called to rise above his duty. He provides