Antonia lives in her apartment with her father, Carlos, who has recently been diagnosed with Alzheimer's disease. She has just received a scholarship for her postdoctoral project at a major university in Berlin. In an attempt to preserve memories and help her father not lose track of their relationship, they play with memories of their experiences, seeking to make the most of the time they still have together.

In the salt mines that have defined his life, Pere mourns his late wife, speaking to her as if she were still alive. A tender reminder that love, like salt, can withstand the passage of time.