At the opening, we see a woman killed several men with a bloody result.
A main character's is in a middle of the zip-line when the hook snaps. Another man trying to help a husband to get out of the zip-line but he falls. Later when she found her husband in the forest, you see his legs are bloody injured.
A woman strangles a nurse (whom she met before in the hospital while she looking for her husband).
In one scene, a woman shots a man in the head. Bloody spurts onscreen.
A woman stabs a policeman's head with a shovel.
A woman knocks a policeman against the wall inside a women's ferry bathroom (while a policeman escorting a woman in handcuff to urinate inside a bathroom). You see a blood embed on a wall.
You see a woman's footsteps leaving a trail of blood implying that she killed a chief police in his own house. (actual killing not shown but we imply).
Towards the end of a movie, a man slashes another man's neck with a knife.