Diana y Joel son una joven pareja que están celebrando algo, y para ello deciden pasar una calurosa noche cenando junto a la piscina. Tras un comienzo en el que parece evidente lo mucho que se quieren, los mensajes que llegan al móvil de ella empiezan a despertar en él sus dudas, y con ellas sus celos.

After a health crisis that keeps her home, Klara does nothing but listen to her favorite radio show, Follow My Voice. But one day she wonders: is it possible to fall in love with someone she has only heard on the radio but never met? Could she really have feelings for Kang, the radio show host whose voice she has only heard once, and will she overcome her fears to step out into the world again?