It turns out the captain, Robert Daly (a not-so-friendly Jesse Plemons) had cloned his workplace and kept his colleagues captive within a video game. By the end of the episode, Daly met his (well-deserved) end, the crew was finally free. The “Infinity” game’s universe was at their disposal.

However, those brave souls willing to indulge in its provocative nightmares will be rewarded with newfound understandings and perhaps even a few sleepless nights. It's all part of the haunting descent into our deepest dreams and fears.

Black Mirror has always used Easter eggs to link its many episodes, but in Season 7, it delivers the show's first direct sequel. Season 7, episode 6, "USS Callister: Into Infinity," is a direct follow-up to Season 4 opener "USS Callister.