"Barcelona, 1943. As a scriptwriter for a popular radio advice column, Laia is embroiled in the romantic entanglements of others. Each day, letters flood in from troubled wives and girlfriends recounting their partner's abuses, and Laia tries her best to counsel them. In contrast, her own life seems perfectly ordered, with a devoted husband and a baby on the way. But when the city is terrorized by a vengeful killer, who leaves behind cryptic messages...