 Meanwhile , Sarah and Casey learn that Ned is unmarried and had earlier called Mauser rather than his wife , as the hostages were led to believe . They follow the ambulance containing Chuck and Mauser and shoot its tires , sending the vehicle into a Christmas tree lot and allowing Chuck to escape . After a brief fight , Mauser surrenders , confident that Fulcrum will rescue him . To protect Chuck , Sarah executes Mauser . Unknown to Sarah , Chuck watches the entire confrontation in horror from afar . She lies to Chuck and tells him that Mauser has been arrested . At the Buy More , Ellie and Morgan 's girlfriend Anna Wu ( Julia Ling ) praise Lester for his act of bravery . Morgan watches as Lester grabs Anna and kisses her , turning away before Anna pulls away from Lester in disgust . The episode closes with both Morgan and Chuck heartbroken , Morgan believing Anna to be unfaithful , and Chuck believing Sarah to be a murderer . 
