Captain Handler, suspecting Blake may have killed Chisolm, puts Zorelli back on the Grimes case, despite Zorelli's belief that Blake is innocent. Blake accuses Adam of setting him up to look like he killed Chisolm. Learning that Alexis is having her painting appraised, Sable convinces the appraiser to tell Alexis the painting is worthless. Sable learns someone has been searching for a Frederick Stahl painting. Adam has a hotel photographer shoot pictures of Monica and Jeff together. Charles Matthews warns Blake that Zorelli has been asking them questions. When Blake tells Fallon that Zorelli has been using her to get information about Matthews, her love for Zorelli turns to contempt. Tanner's feelings for Sammy Jo make him question his priestly vows. Finding a diagram with his father's things that Charles Matthews dropped off, Blake discovers that it is for a tunnel system originating from the basement of the mansion. Adam visits Phoenix Chisolm and in her grief, she blurts out that her grandfather knew about the tunnels under Blake's mansion. Acquiring a listening device that detects tunnels, Dex, Jeff, and Blake search the basement for a tunnel entrance. Finding it, they crawl into the dark space and discover a human skeleton.