Like millions of others, Louis' plans were mothballed by the onset of Covid. Unable to escape to the porn sets, prisons and maximum-security psychiatric units that are his usual journalistic beat, he began reporting on a location even more full of pitfalls and hostile objects of inquiry: his own home during a pandemic. 'Theroux the Keyhole' is an honest, hilarious and ultimately heartwarming diary of the weirdness of family life in Covid World.