What is real, and what is fake? Sisterhood is a film that moves toward an answer to this question, and as such, nothing presented before the ending should be trusted too easily. Jung Yul-hee (Kim Jooryoung) is a bestselling author often dubbed the ‘Queen of Mystery’. After inheriting a house from her father, she relocates to a remote area with her daughter So-hee (Choi Myeong B...