With the gas station robbery, Williams tracks down the names of the suspects, Rob Walker and Kerry Walker, father and son. Along with Leary and Shannon, Williams locates Rob's brother, Vern, and decides to see if he can shed any light on his brother's whereabouts. Upon questioning, they learn that Vern is a crack user and Rob, down from the family home in Ocean Falls, came to the city to bring Vern home to get away from the drugs. Other than that, Vern says Rob is a model citizen. Leary and Shannon decide to tail Vern, who sails up Indian Arm to a self-made camp in the bushes. With the Ravenhood cemetery issue, Da Vinci discovers the identity of one of the co-mingled bodies. He was a "walk away" in the mid-1970s who, according to the headstone, would have been buried on the day he was listed as missing. Da Vinci decides to look into all walk aways from that era to see if they match the other two co-mingled bodies found thus far. With Danny Zinn's murder, Kosmo notices some ...