Yes, this is a very detailed story about physical, mental, verbal, and sexual abuse. If you are sensitive to any of that in any way, I recommend steering clear.
Yes, sexually and mentally by father and brother. The abuse is described extensively and in extremely graphic details. It is very triggering and I don’t recommend watching it
Birds are shot at in episode 4 (nothing seen on screen, and it's very brief). A story about a dog killing a ferret and then being killed is in episode 7 (skip 5:02-5:17 to miss it completely).
Two young boys are raped by the father for years. It is described in unnecessary details and is extremely triggering. I have never seen anything like this in a show or movie and I after two days I am still not okay. Please if you are triggered by sexual abuse do not watch this show.
Erik struggles immensely with suicidal thoughts and nightmares. If this is triggering I would steer clear especially of the first episode as he is shown dreaming of shooting himself in the head.
While it doesn’t happen in real life, one of the sons has nightmares where he puts a shotgun under his chin. It happens multiple times without warning and is extremely triggering.