Gillian Hills

A physician discovers that two children are imprisoned in their house by their father. He investigates and discovers something sinister.

A man asks his fiancé for a threesome with her friend for his birthday, which leads to heartbreak and jealousy

This stylish thriller is a 1960s classic. A fashion photographer takes pictures of a couple embracing in a park but believes he's caught a murder once he develops them. Pursued by the woman he returns to the park and finds the body of the man. Did she murder her lover or is something else going on?