Episode 4 of 'Maximum Pleasure Guaranteed,' titled 'Raisins,' delves into the dark past of Paula (Tatiana Maslany) and Karl (Jake Johnson) in Portland. The episode opens with a flashback of their strained intimacy, highlighting their mismatched desires. During a party, Paula becomes increasingly uncomfortable as she observes Karl's flirtation with Mallory (Jessy Hodges). The tension escalates when Paula accidentally hits their neighbor Caleb with her car, leading to a tragic turn of events. Mallory, leveraging her legal connections, helps Paula navigate the aftermath of the incident, suggesting she drink wine to alter the toxicology report. This episode challenges viewers' perceptions of Paula as it reveals her complicity in Caleb's death, raising questions about guilt and accountability. As detectives investigate Paula's past, the episode hints at deeper ramifications for her relationships with Karl and Mallory, setting the stage for future conflicts. The exploration of shame and emotional distance in relationships adds depth to the narrative, making viewers ponder the complexities of human connection.