Bill Baker, an American oil-rig roughneck from Oklahoma, travels to Marseille to visit his estranged daughter, Allison, who is in prison for a murder she claims she did not commit. Confronted with language barriers, cultural differences, and a complicated legal system, Bill builds a new life for himself in France as he makes it his personal mission to exonerate his daughter.
The whole gang are back and as close as ever. They decide to get even closer by spending the summer together at a beach house. They decide to hold the biggest party ever to be seen, even if the preparation doesn't always go to plan. Especially when Stifler, Finch and Jim become more close to each other than they ever want to be and when Jim mistakes super glue for lubricant...