蛹是描写末日生存的恐怖电影。25年前由于一种病毒侵袭毁灭了世界和文明,残存的幸存者在接下来的日子,由于恶劣环 境而逐渐死去。约书亚和佩内洛普这两个幸存者联手拯救其他人,希望重建文明。当他们遇到阿比拉,另一个幸存者后,他们的世界和目标不可逆转地改变了,他们必须面对新的挑战来求得生存。Joshua and Penelope are survivors of a deadly infection that laid waste to humanity 25 years ago. When they encounter fellow survivor Abira, their lives are forever changed as they fight off the remnants of the infected.