The Horrible House On The Hill

The Horrible House On The Hill is a 1974 American slasher film starring Sorrell Booke, Gene Evans, Shelley Morrison, and Leif Garrett. Four sociopathic, homicidal children with a mysterious nun, seek refuge with a number of snobbish vacationers at a lakeside chalet, only to systematically murder them one by one.

After five deranged children are involved in a bus wreck they start killing people at the lodge who insulted them or were rude to them.