The future is here: via so-called ports – USB-like connections on the head – human brains can be directly connected to computers. This enables things like upgrades (foreign languages! expert knowledge!), virtual buzz experiences and even the networking of multiple brains. A group of neurohackers tries out everything and even develops their own apps. Only Mona is decidedly against this technology, the danger of external control just seems too great.

But then her beloved Milo falls into a neurotechnical coma. All his hacker friends are afraid of a contagious neurovirus, brainbugs or mental malware. So Mona has to install such a port to save Milo. And with this, she enters a completely new world inside her own head. But soon the question arises: who is now the master of Mona’s mind…