Gail's death causes tension between Jesse, Walter, and Gus, leading to a confrontation.
Walter defends his actions, stating that he would kill Gail again if necessary.
Jesse warns Gus that without him and Walter, he will have no one to make his product.
Walter challenges Gus's knowledge and capability as a chemist.
The confrontation highlights the power dynamics and dependency between Gus, Walter, and Jesse.