When Rebecca’s sister, Diana, comes back home after a long absence, things feel off. Diana is clearly trying to conceal some secrets from Rebecca. Taking on the role of a detective, Rebecca attempts to uncover the truth, only to discover that Diana is in deep trouble. Before Rebecca can get the full story from her sister, Diana takes her own life. Convinced that there’s more to Diana’s death than meets the eye, Rebecca delves further into the mystery, endangering her own life in the process.