The title refers to Louis's signature hobby—mud baths. However, the episode shifts from comedy to serious life choices when Louis and Sheila Sazs begin their journey to conceive.

A third subplot involves Alex Williams and Samantha Wheeler, who find themselves at odds over Alex's teenage daughter, Joy.

Alex is protective and somewhat rigid, leading to friction with Samantha's more aggressive approach. Their interaction serves to humanize both characters while highlighting their different philosophies on parenting and law.

Watch how the actors and directors discuss bringing these complex character dynamics to life in behind-the-scenes interviews:

After a medical checkup, Louis discovers that his sperm count is healthy, but his penchant for high-temperature mud baths is negatively affecting his fertility .

The plot delves into Harvey's complex relationship with his mother, Lily, and his lingering resentments. Harvey struggles to separate his role as a relentless "closer" from his role as a brother.

Harvey initially takes the case believing Marcus is the victim of adultery. He is furious to discover that Marcus's gambling addiction actually caused the marital breakdown.

Harvey faces a moral and professional dilemma when his brother, Marcus, seeks legal help for a messy divorce and custody battle.