讲述一对好莱坞夫妇和他们的女儿安妮特的故事：丈夫亨利（亚当·德赖弗 Adam Driver 饰）是一位单口喜剧演员，妻子安则是一名歌剧明星（玛丽昂·歌迪亚 Marion Cotillard 饰），而他们神秘的女儿安妮特，又拥有怎样不同寻常的人生呢？

　　2011年3月11日，日本遭遇史上最大地震的襲擊，引發福島海嘯災難。亞歷珊卓拉剛從法國來到東京，正準備在當地法商銀行工作，卻突然遭逢這場核災危機。在工作與家庭間拉扯，逐漸浮現的恐懼與焦慮就要吞噬亞歷珊卓拉。離開或者留下，丈夫兒女與仰賴她的員工，亞歷珊卓拉該如何抉擇？

　　Baikal is the oldest, the deepest and the purest lake on the planet. But it's not only that - Baikal is an ideal model of our world, as it shall be. Everything is possible here: to walk on water, to touch the sky, to talk with the universe. Baikal is our hope and our future. It's a film about the thirst, about the eternity and about all of us. The genre is epic documentary. The aim is to change the world.