Jimmy asks a favor of Mike; new complications disrupt Salamancas’ business. Chuck and Jimmy struggle with a compromise.

Walt’s family worries when he doesn’t turn up for Walter, Jr.’s 16th birthday. Jesse is forced to put his lab skills to the test without Mr. White’s help.

Skyler develops an unusual solution to her money troubles. Hank enlists Walt to investigate a theory. Walt’s impatience with Jesse grows.