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’s past mistakes come back to haunt her. Gus takes action to thwart his rivals. Jesse seeks Walt’s help, with mixed results.

A frustrated Walt gambles on a risky new plan. Skyler’s business venture hits a snag. Hank recruits Walter, Jr. for an unusual outing.

Skyler makes an unsettling discovery. Walter, Jr. pushes his dad into a questionable purchase. Jesse offers Mike some unexpected help.