Ike's mean twin brother Mike pays him a visit and asks for a life-changing favor. Meanwhile, the crew takes DNA tests, Granny discovers his Jewish heritage and Terry is devastated to learn that Lucy's genes are more Penisi than McConky.
In a firehouse in one of America's rainiest cities that is light on blazes that need extinguishing, its crew keeps themselves entertained with creative competitions, friendly first responder rivalries, and bizarre emergency calls.