Introduction: In the near future, the acquired cell sclerosis syndrome (ACIS) known as "Medusa" will spread all over the world. After an incubation period of 30-60 years, the infected person will die of illness within a short period of 65,438+02 days. When he died, he was petrified and miserable. Because there are no specific drugs and countermeasures, the human world is in a doomsday panic. At this time, Jinxingmen, a scientific research and development enterprise, claimed that it could save the hope of human life by freezing sleep, but only 160 people in the world were eligible to enter frozen capsules. The girl was lucky enough to be one of 160 people in the summer, but she was forced to marry her beloved twin sister "Where are you going?" When Xiao Xia woke up again, he found the headquarters of Venus Gate in a strange situation. Then a group of strange creatures attacked these people, and only a few people survived. What a cruel fate awaits Xiao Xia ...?