“Tigers Are Not Afraid” is at once heartbreaking, horrifying, and brilliant. The movie follows Estrella, a young girl caught in the middle of the Mexican drug war who, after being taught about fairy tales in school, is given three wishes. But on her return home, she finds her mother missing and must strike out on her own, meeting up with a group of boys whose families have also gone missing or been killed. As she uses her wishes, she finds that they each come with a catch. Now in possession of a gangster’s phone and being tracked by the gang’s leader, the group must run for their lives, all whi...