I shot a night scene with a Canon 60D 50mm @ 1.8f 1080p @30FPS shutter 1/40 (I know it's not right should'v been 1/60) ISO 320 with a Cinestyle Profile.
I used one light source pointed up at the ceiling and light the room so slightly yet it looks horribly grainy. Also the scene is about a robber who entered a house so it's gotta look dark and nightly.
Even at post production it's llo ok horrible darkening and using Red giant denoiser II is just too much grain. thanks for the help!