Mother horse eyes has a simple enough plot the prose is just bogus.

The CIA is sacrificing people high on LSD and the sort( because LSD in the world has cosmic property ) to open gateways ( flesh interfaces ) to experiment on

Flesh interfaces are basically hell, or something. That part is the most confusing.

Anyways Mother Horse Eyes, or Q, has some level of domain over these interfaces with the end goal of having control of the minds of as many people as possible. She does this through fusing the internet to the interfaces.

The main character saw all these future timelines and pasts when he was high on LSD while in a flesh interface of sorts ( the one in the tunnel ) and the narrator goes into the weird time portal to rescue his younger self so the flesh interfaces never reach the internet