"I play at hiding kisses with my Grandpa Simón every day. Although he may have to go to hospital, although he may not be there, my Grandpa Simón and I keep playing...". An attractive artistic picture book, with simple words which describe the relationship between a granddaughter and her grandfather. Through the game of hiding kisses, we discover that the grandfather suffers from forgetfulness, and one day they tell the little girl that her grandfather won't be coming back because he has forgotten to breathe... Her pain will be lessened thanks to her interaction with her mother, and the kiss that her grandfather left her to remember him by when he was no longer there...