Series 2: episode 1 there's a search for a dog who is dead, seen dead long shot. Episode 2 same dog is seen dead again as its buried Episode 3 a search dog is badly injured and shown hurt, it's mentioned later that the dog died.
Season 1/Series 1: sex trafficking and related sexual assault of a child and adult are referenced as things that have happened to characters in the past tense. It is not shown and the immediate aftermath is not shown. A woman is shown having sex with her husband briefly and it is implied to be non-consenting. Another character discusses a rape that happened in the past. It is not shown and the immediate aftermath is not shown. This same character is explicitly shown almost being sexually assaulted in a violent struggle
Episode 2 same dog is seen dead again as its buried
Episode 3 a search dog is badly injured and shown hurt, it's mentioned later that the dog died.