As Marie begins to confront her about smoking, Skyler suffers a nervous breakdown, repeatedly shouting "shut up". Marie confronts Walt at home about Skyler's breakdown and demands to know the truth. Walt tells her about Skyler's affair with Ted Beneke and that her breakdown was due to stress over his recent accident.

Walt contracts Jack and Kenny to kill Jesse, telling them that he regards Jesse as like a member of his family and that he wants Jesse's death to be quick and painless.

Plot. In a flashback, Tortuga is visited by Juan Bolsa at a bar. Led to the back by Juan, he is attacked by Leonel and Marco Salamanca for being a DEA informant and decapitated with a machete. Walter White moves back into the house against Skyler White's will.

The "Fly" episode of Breaking Bad was divisive but inventive, with some criticizing its slow pace while others praised it as a subtle character exploration. The fly in the episode symbolizes Walt's guilt and his need for control, reflecting his transformation into Heisenberg.