Advent is a sequel to Alien: Covenant in which David sends a transmission from the Covenant to Weyland-Yutani on Earth, elaborating upon the genetic experimentation he has been conducting on Planet 4.
在前往移民星球的旅途中，契约号的主要船员和他们的仿生人沃尔特在休眠前，享用了他们的最后一餐。契约号船员纷纷聚集起来，有小插曲，有拌嘴，但更多的是面对未知世界的希望。
该短片为《异形：契约》的开场序曲，全卡司集体亮相。
