Everyone copes with radically changed circumstances.
Walt celebrates another birthday. Skyler considers her options. An associate complicates Walt and Jesse's plan.
Hank and Britt deal with the widening scope of the Lindus conspiracy as they try to avoid the rap for a murder they (technically) didn't commit.
Walt becomes obsessed with a contaminant in the lab and refuses to finish the cook until it is eliminated. A frustrated Jesse attempts to get Walt back on track.