Robert and Edgar’s modern yet chaotic grandmother, Lola, has taken care of them ever since their mother died a few years back. But their quiet life in a modest home just outside Barcelona is about to drastically change when Lola is diagnosed with an advanced stage of dementia. Unwilling to be thrown into foster care and separated from her, the boys decide to take on Lola’s care, applying boundless imagination and fantasy to concealing her disease to the world and overcoming all sorts of obstacles.