Alex is 56. Luca is half his age. Alex has an encyclopaedia in his head. Luca has one on her phone. Alex can’t recall his mother’s voice or most of the 1980s. But, he can instantly bring to mind his mother’s cooking and his family’s stories of the Spanish Civil War.  Luca worries that she can’t remember the important stuff – things that might make the world a better place. Her journey sucks her into a black hole crammed full of everything she’s ever forgotten. A poignant, personal meditation on the gaps in our memories, Hold On Let Go asks, what do we want to pass on to…