Everyone copes with radically changed circumstances.
Walt celebrates another birthday. Skyler considers her options. An associate complicates Walt and Jesse's plan.
Charlie finds herself stranded in a motel during a blizzard; in order to survive the night, Charlie must decipher the deadly tension between her questionable companions.
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.
When a close friend of hers meets an untimely end, Charlie Cale, a casino cocktail waitress with an uncanny knack for identifying lies, is determined to unravel these mysterious events -- even if it endangers her own life.
Wounded and on the run, Charlie is forced to make a pit stop in desolate New Mexico, where she tries to clear the name of a trucker framed for the murder of a local.
Walt becomes obsessed with a contaminant in the lab. A frustrated Jesse attempts to get Walt back on track.