Calvin and Marty encounter difficulties trying to secure financing for their new business. Also, Dave invites his boss, Gregory, to Grover's 13th birthday party, much to Gemma's frustration.

Calvin and Marty are surprised when their new business sparks protests from residents concerned about gentrification; Grover's family tree project reveals unexpected fresh details about both a ancestor and the whereabouts of Dave's estranged father, who left when he was a child.