When his mother vanishes, a thirteen-year-old reads her secret memoir — and follows her ghost to Spain.

13-year-old Leo's mother disappears and not even his father can tell him where she is or why she’s left.

As the days pass, his unease grows. When he finds a mysterious file on the family shared drive, his curiosity gets the better of him, especially when he discovers it’s his mother’s secret memoir. Needing to understand the reasons behind her absence, Leo begins to read the book, searching for clues.

Meanwhile, life is increasingly complicated. Adam, an intriguing boy, transfers to school at the end of the year and is assigned as his study partner. Old stresses in his friend group begin to tear apart his long-standing relationships while he wonders if Adam shares his feelings.

As he reads the secret memoir, he is confronted with new revelations about his mother's past, propelling him to look for the lost side of his family that still lives in Spain, setting off a chain reaction of unintended consequences.  Old grudges and danger resurface while Leo searches for meaning in his lost families history.