Spain, 1979. Irene is an aspiring writer who is obsessed with the delicate ghost at the library she works at.

Angel and Bruno are soldiers. Before the battle broke out they were couple and theater artists. When Angel is shot by an enemy attack, Bruno will do his best to save his love's life.

The bug bite that disrupts a Friday night hookup turns out to be a manifestation of something much scarier.

Álex and Ruth meet through a dating app, immediately become inseparable, move in together, and live as a happy couple, until Álex notices that Ruth is experimenting certain changes.