tang zhijun is the editorial department of the science fiction magazine born in the 1980s - "space exploration" bbb。 nowadays, magazines are gradually declining, and tang zhijun finally becomes a down-and-out, widowed, widowed, orphan. but he is still obsessed with finding extraterrestrial civilizations for decades. finally one day, he received an abnormal signal that was suspected to be from the depths of the universe, so he summoned his friends who were all fallen people and embarked on the journey of finding aliens again with the question that puzzled him for life.