The trailer of Prithviraj Sukumaran-starrer Khalifa is out, teasing an action-packed tale set in the dangerous world of gold smuggling. Directed by Vysakh, the film sees Prithviraj play Aamir Ali, a man who fights his way to the top of a ruthless underworld

The ace star added what he learned from his father, "Every value I carry, every strength I possess, has its roots in you."