Ronnie is released from jail and the guys comfort Snooki after she has an encounter with her ex-boyfriend. The housemates reflect on their time at the Shore as summer draws to a close, but not before one final house hot tub hook up.
When Mike invites girls back to the house, the situation gets out of control, and Snooki gets into her second fight of the summer. Meanwhile, Ronnie gets into a brawl of his own, leaving his tumultuous relationship with Sammi on the rocks.
With the support from most of her housemates, Snooki recovers from the punch. Ronnie's family comes for a visit and Sammi does her best to make a good first impression. J-WOWW gets tired of all the haters at the club and gets in a fight. Mike, Pauly and Vinny continue their schemes to hook-up with as many girls as possible, but Vinny may have crossed a line when he takes the boss' girl home.moreless
Eight soon-to-be roommates come together for a summer of excitement at the Jersey Shore. The self-proclaimed "guidos" and "guidettes" explore their surroundings and learn some crazy things about their roommates.