What is the fine-grained topic of the following text: Set in Baltimore in 1962, the plot follows a mute custodian at a high-security government laboratory who befriends a captured humanoid-amphibian creature.The film was screened in the main competition section of the 74th Venice International Film Festival, where it premiered on August 31, 2017, and was awarded the Golden Lion for best film in the competition. Only return the topic.
"The Shape of Water" film synopsis and awards