Night Sky follows an older pair who realize their premises have a way through to another planet in their infant years. They decide to keep the other world a secret but having grown older, hiding it is more difficult with their neighbour and granddaughter bothered with their odd habit of sneaking around the premises at night.
The couple starts to think that it may be time to tell the secret to someone, which becomes more urgent when they realize someone else, a man, Jude, is in the portal. The triad's chronicles are intertwined with that of Stella and Toni, an Argentinian mom and daughter, because of the mysterious workings of the other planet.
Following the trailer unveiled by Prime Video on April 22nd, we see the couple's intense love for each other and their sense of love and wonder concerning the passage and their discovered world. They strive to keep it a secret but what happens, happens.