Can you live with someone else when you don't know how to live with yourself?

Despite this trip in a converted van, all is not well between Aimée and Ulysse. Ulysse wonders about his future, his desires, and sees diving as a form of therapy. As for Aimée, after a year spent working on her thesis, she is a bit lost and feels guilty for not being there for her partner. Ulysse dreams of seeing a sunfish in its natural habitat, but Aimée has aquaphobia. As they get closer and closer to their destination, more tensions and anxieties rise to the surface...