Cannes film festival: Ryusuke Hamaguchi’s ocean-hopping treatise on love and mortality is undeniably beautiful – but it works best in its quieter, compassionate moments rather than the flurries of self-conscious solemnity

Virginie Efira and Tao Okamoto star in the filmmaker's first French-language work, set at a Paris nursing home where two strangers are fortified by their belief in human dignity.

Cannes film festival: Ryusuke Hamaguchi’s ocean-hopping treatise on love and mortality is undeniably beautiful – but it works best in its quieter, compassionate moments rather…