Elena receives a call from her six-year-old son saying that he is lost on a beach in France and not able to find his father. It is the last time she speaks to her son. Ten years later, she meets a teenager who reminds her of him.

Tommaso, a writer who supplements his income as an agony aunt under a pseudonym, has been engaged for years to Zoe, who works in the video game industry. One day Tommaso receives a letter from Zoe confessing that she wants to leave her boyfriend.