Occasional implied sex scene. Some romantic story lines.

Vampire attacks scenes with physical and gun violence and gore, including blood splatter.

Mark kills to get blood for Eleanor by slitting people's throats whilst they're upside down to drain them of their blood; Eleanor is seen drinking blood from a water container many times throughout.

Mutilated dead bodies are seen at crime scenes with horrific facial injures.

Strong language, including the F-word, and mild language, such as ass, hell, and damn, throughout.

Name-calling, e.g. bitch, idiot, and asshole.

Adults are seen drinking bottles of wine and booze in some scenes.

Claire creates and tests various drugs in her lab, using both animal and human test subjects. Street drug in pill form sold is illegal pain killer taken off market by the FDA; it has some unexpected untoward side effects.

Many gory scenes from vampire attacks.