The antiheroine of the moment, in movies like “The Lost Daughter” and novels like “I Love You but I’ve Chosen Darkness,” commits the mother’s ultimate sin: abandoning her children. Liana Finck/The New York Times

Mommy is going away for a while

The antiheroine of the moment, in movies like 'The Lost Daughter' and novels like 'I Love You but I’ve Chosen Darkness,' commits the mother’s ultimate sin: abandoning her children