 Valerie is asked by a doctor to be a bone-marrow donor for an ailing leukemia patient. Valerie is delighted with the idea, but she soon goes back on her deal with she finds out that the patient has sexually abused his teenage daughter. Meanwhile, Donna becomes stricken with jealousy and suspicions when an old friend of Noah s, named Gwyneth, shows up for a visit. David lets his paranoia go too far when he gets mugged, tries to buy a gun, and eventually steals Noah s gun in which he accidentally wounds Gwyneth. Kelly continues to be suspicious of Brandon, until he offers her an engagement ring. Also, Steve, Brandon and Janet screen applicants for a new assistant for their newspaper. When a young college grad student, named Sarah, responds to the call, Steve is wary of hiring her fearing that he will fall in love with her.