Calvin and Jen have dinner with David and Dana Kang (Kipp Shiotani, Lauren Tom), who are constantly cursing at each other in public. Michael Kang (Yun Choi) breaks up with Terri, while Isaac begins seeing Michael's sister Michelle (Camille Chen). Eddie picks up a gorgeous woman (Sheryl Lee Ralph) in a bar.

The barbershop staff (along with Jen and Jimmy) attends one of Bill Cosby's lectures on personal responsibility in the African-American community. Terri and Yinka continue to smoke marijuana at the barbershop, which drastically affects their work performance. Isaac, who only dates women of color, decides to try dating White women. Eddie is in turmoil after learning the truth about Claire. Calvin learns that his late father had a second family . . . including a White wife and adult biracial children.

Calvin learns that his mother and brother (Roz Ryan, Phil LaMarr) have known about his father's second family for years. The former mayor of Chicago (John Rubinstein) decides to run against Jimmy. After discovering Terri and Yinka's drug habits, Calvin forces them to enter drug rehab, led by an extremely confrontational drug counselor (Kevin Hart). Eddie's friends question his "deviant behavior" with Claire. Jen and Dana decide to open an urban bed and breakfast. Malcolm (A. Doran Reed) sues Calvin for invasion of privacy after he is caught on the surveillance cameras having sex in the back of the barbershop.

Calvin continues to spend time with his other family, and the barbershop suffers in his absence. Isaac steals a famous client from Yinka, and the two barbers eventually come to blows. A ventroliquist and his dummy cause trouble for Jen and Dana at the bed and breakfast. Yinka falls in love with a married Nigerian woman (Nzinga Blake). Romadal is arrested for assault.