There's so much that goes into crafting the perfect lighting or lack thereof. Often times the focus is on how to light a subject for a scene, but what about whats not lit? What about the shadows? Ever wonder how this contrast created? How some movies and TV shows can get so dark yet still contain so much detail? Or how silhouettes are created while the background is still well lit? The technique is actually similar to well lit scenes: It's all about the placement of the lights in relation to the subject.
Check out the video below from Rocketjump Film School to find out more: