Cadet (2020)

Alone, bored and without a responsibility in the world, Benjamin Oanby lives the best life he can in his parents' 1970s style home. However, this all changes when from out of thin air, an astronaut appears in his backyard. After inviting the Astronaut into his home, Benjamin receives a phone call from an anonymous woman, who tasks him with killing his unexpected guest before the crack of dawn.