She can communicate with ghosts. Here’s what she learns from the ‘Sad Dead’

Mercedes Morán stars as Ema, an antisocial doctor who can see and communicate with ghosts. Netflix

Netflix

Even if you don’t believe in them, ghost stories are eerie. They take place on the threshold between our daily world and a mysteriously unknown realm. Now, many movies and books cross this threshold merely to scare the bejeezus out of us. But the greatest ghost stories aim to do something more — such as capturing the weight