The Dad Who Came in from the Cold

Plot:

Collins from the NIA hands Lois a burned notebook computer just before he dies from a car accident. Right after that, a woman named Sweet Tart shows up and demands to know what Collins has told Lois. Jimmy is asked to retrieve information from the fried hard drive. At the same time, Jack Olsen, Jimmy's dad, shows up in town after having been gone for over 4 years.