Rafe fights his feelings for Hope as they continue to investigate the Necktie Killer case. She bolsters him as he expresses doubt about Chad's guilt. Meanwhile, Aiden toys with the idea of forging Stefano's signature on a check, but then dismisses the idea as too risky. As a captive Bo struggles to regain his strength, Steve shows Victor photos of Bo meeting with a Britta Englund look-alike. Victor then reveals that Bo, before heading off on his secret ISA mission, went off the grid to find a cure for Caroline's rare neurological disease. Steve sets off to find the Britta look-alike, hoping she will lead him to Bo. Earlier, Kayla argues with Joey over a fight he had at school, wondering if all this acting out is to get his father's attention. Joey storms off and is later discovered by Steve as a stowaway on the Kiriakis jet. Julie and Maggie become alert to Caroline's worsening mental state, as they find her talking to an imaginary Shawn. They bring her to Kayla, who assures h