The speakers crackled to life. But it wasn't the gritty, suspenseful score of a crime drama. Instead, a cheerful, high-pitched Hindi voice boomed through the basement:

The episode revolves around Walter White's (played by Bryan Cranston) increasing involvement in the world of methamphetamine production. His partnership with Jesse Pinkman (played by Aaron Paul) becomes more complicated, and the consequences of their actions begin to unfold. Meanwhile, Walter's family, including his wife Skyler (played by Anna Gunn) and brother-in-law Hank Schrader (played by Dean Norris), start to notice changes in his behavior.