When Arnold awakes from a coma twenty years into the future, he discovers that society is now ruled by social media. Enough "likes" and "upvotes" can unlock fame and fortune but - watch your step! - enough "thumbs down" clicks and the collar around your neck explodes. And you're done. Now, confused and running on his last Like, Arnold must navigate a world in which the slightest online misstep can have fatal consequences.