Elina, a young Russian journalist, travels to an Alpine ski resort to write an article about a wellness retreat. But during her stay, news from her home country comes to haunt her as she must face her own malaise.
One afternoon, three high school students sneak out of their all-girls Catholic boarding school. Sunny, the new girl, has gone for a swim in the river. Sarah is eager to join her, even though Clémence disapproves.
After meeting at a party, Isaac and Ava spend the night walking in the cold Parisian winter and fall in love without even realizing it. But Ava has to go to Brazil the next day. As he waits for her alone, Isaac learns that Ava's plane has gone missing.
