Welcome to Arrow Beach is a 1974 horror TV movie directed and starred in
by Laurence Harvey. Jason Henry (Laurence Harvey), who lives in a
mansion with his sister, Grace Henry (Joanna Pettet), finds a young girl
wandering aimlessly on the beach. He quickly convinces the girl to go
home with him, so he can take care of her. At first the girl is grateful
that the man wants to take care of her. Unfortunately, her gratefulness
is short-lived as she begins to question the things that are going on
in his home.