04E12 - My Bloody Valentine

Argentinian crime baron Gabriel Porchetto's son and heir Gabriel Junior is shot expertly in the hot-tub during a party in their luxury cabin in a state forest. Gabriel senior is in the final stage of terminal cancer, so adolescent son Sergio Porchetto becomes his heir. Security chief Curtis Nett is remarkably uncooperative. Junior compromised the gang's business by challenging Luis Ozorio's Mexican drug cartel, the Zetas. Patrick tricks Senior and his boys to stage a trap. After a pendant is returned now the investigation into Grace's shooting that killed FBI agent and lover Craig O'Laughlin, his specter seems to haunt her, but when she gets lost in the forest while guarding presumed key witness Janpen, a hooker, it actually watches over her.