Miguel Martinez

With a DEA investigation threatening to shut them down, Walt (Bryan Cranston), Jesse (Aaron Paul) and Mike (Jonathan Banks) devise an ingenious plan to fuel their meth lab. Meanwhile, Skyler (Anna Gunn) makes her cooperation contingent on sending the kids to live with Marie (Betsy Brandt) and Hank (Dean Norris).

When a building collapses on one of Mary's witnesses, he is left exposed to outside threats, and Mary must risk her life in order to keep him safe.