The Chi-town boys want to throw Bobby a bachelor party, but can't decide who will be paying for it. Meanwhile, Stephanie's new book steals the headlights when she and PJ attend Elsa's shower, and PJ corners Andy into revealing information on his relationship with Jo.

The gang head to Bobby's father's ranch for Bobby's wedding. While there, tensions tighten between siblings Bobby and Jack, who woo's PJ. Meanwhile, Mike and an older woman become involved, bobby's father is flirtatious, and a kidney stone fells a member of the wedding party.