The Almond and the Seahorse are the nicknames given to the parts of our brains that lay down new memories and hold on to the old ones. After a TBI (a traumatic brain injury) these parts can change, become new pathways, creating a new you ... but what gets forgotten and who gets left behind? Usually, the people who love us the most.

The film explores the complex and very human relationships of two couples as they try to navigate a new life together or attempt to explore a life apart after TBI changes everything. It refreshingly focuses on the characters without brain damage, but have to carry the heart damage.

Sarah (Rebel Wilson) is an archaeologist who loves her husband Joe (Celyn Jones) but after a TBI their love is trapped in the past. Toni (Charlotte Gainsbourg) is an architect and loves her partner Gwen (Trine Dyrholm) but after a TBI they have been imprisoned in a fifteen-year loop. Love is the only thing that keeps them all going but something has changed and they need more help. Both women are on a parallel course, both want a future but neither know if it is possible or what that may look like. As Dr Falmer (Meera Syal) puts it ‘they’re the brains I can’t mend’.