During a business meeting with Rex, Lucy agrees to go into business with him selling stress-relief pills. Subtley, she confirms that Rex has not been in the Cayman Islands recently. Rex tries to convince Lucy to admit phony photographic evidence against Scott as an eyewitness in his trial and, later, Lucy discusses her dilemma with Kevin. Meanwhile, an unknown person breaks into Lucy's hotel room and switches her stress-relief pills for other pills. Chris treats Lark for a suspicious head injury and Joe and Karen recognize her as one of Frank's students. After Lark's mother comes to the hospital, they suspect her of physical abuse and call social services. Winston tells Matt the history of Ellen's animosity between her mother- Ellen married a man who her mother didn't approve and dropped out of medical school to put him through law school. Later, Ellen tells Winston that her husband Sam died. Eve surprises Scott with a dinner with Serena. Scott and Serena discuss the same drea