Voorhees (Born on a Friday) (2011)

Set in 1957, we meet a young Mrs. Voorhees who, on the day of her son's birthday, learns that he drowned in Crystal Lake at the hands of some very mean children and several negligent counselors. One year later, an enraged Mrs. Voorhees hunts down her first victim to have her revenge for the demise of her son. - Jason.