Invitation from the Universe

When an alien civilization deciphers human coordinates, an "invitation letter" from deep space turns out to be the Sword of Damocles hanging over the mother planet! In 2025, human science and technology are dazzling: brain waves share the same frequency, wisdom can be shared, the virtual star sea can be traveled unhindered, and climate control creates a perfect planet. However, the "response" unexpectedly returned by the Pioneer 10 detector - a set of gravitational wave signals from 2.3 Light-years away - instantly tore apart the appearance of peace. Is it an opportunity for a technological leap or an interstellar invasion?