Plot Summary:Walter visits Hank at the DEA, engaging in small talk and family discussions, solely to plant a bug. Mike kidnaps Lydia and forces her to call Hank to confirm if acquiring methylamine from Lydia is safe. Lydia, to protect herself, provides information on how to obtain methylamine.
Skyler, concerned for their safety, insists that the children not stay at home. To acquire methylamine, the trio, along with a pest control crew, robs a train. The plan goes smoothly. As the heist concludes, a child appears, and Todd, to maintain secrecy, shoots the child to silence him.