Lidia and Wally meet when she buys him his house. They fall in love, but Lidia lives in Madrid, Spain, and Wally in Neuquen, Argentina. Their Skype conversations are interrupted by glitches that happen in Lidia's computer. Wally begins to feel that Lidia is not quite right: she talks about presences in the house, voices talking in other rooms, people that -whenever the conversation is interrupted by glitches- want to hurt her. Soon Rodrigo appears in the story: he's Lidia's obsessed and stalker ex-boyfriend. Is he the mysterious presence, or is there something else lurking in the shadows?