Walt executes his last-ditch plan to kill Gus Fring by enlisting the one person who hates Gus more: Hector Salamanca. After wiring a bomb to Hector's wheelchair, Walt orchestrates a fake DEA visit to bait Gus into coming personally to the nursing home. The trap works — Gus and his man Tyrus are killed in the blast. Walt then races to the superlab, frees Jesse, and burns the entire operation to the ground.

The finale reframes everything that came before it. The final shot — a potted lily of the valley in Walt's backyard — confirms that Walt himself poisoned the child Brock to manipulate Jesse back onto his side. Jesse fought for Walt's survival believing Gus had targeted an innocent kid; the crisis was manufactured. Walt has now eliminated every external threat and revealed the full extent of what he is willing to do to the people closest to ...