When Sabrina Crowvin is orphaned, she is sent to Dreadwood Estate to stay with her last remaining family members, two brothers named Avenal and Quillon. Meeting her cousins for the first time, Sabrina discovers she may not be alone. As worrisome messages begin to arrive in the snow outside without explanation, Sabrina beings to suspect there may be more to Dreadwood and her cousins than she understands As winter whips at the windows, Sabrina wonders and worries about what lies within.