You've just been assigned as a caretaker to these two kids. Their parents, mostly disinterested (to the point of being neglectful) don't care much.

You arrive, excited for your new job. They let you in the mansion. When you enter the living room, there's nobody, just the kids. The younger is on the sofa, with a wet towel on his forehead.

The older, meanwhile, is getting stuff out of a cabin. It's medicine.

He sees you. "Please, don't tell. He's sick..."