Daisy Johnson’s “Sisters” is a chilling story of two sisters September and July, who become entangled in a strong emotional web. They are as close as thieves, having only each other to depend on since their births were only ten months apart. Following an incident of bullying at school, the teenagers and their single mother go to a long-abandoned family property close to the coast. July discovers that the close relationship she has always had with September is changing in ways she is not fully able to comprehend in their new, secluded existence.