This chilling docudrama chronicles the tale of 4-year-old Heidi Wyrick and her seemingly imaginary friends, Mr. Gordy and Con -- who may be more than just harmless invisible playmates. When Heidi divulges disturbing details about her two chums to her parents, they chalk it up to an overactive imagination ... until other family members begin to have supernatural encounters -- with the physical marks to prove it. (Netflix)