Greg Heffley and his family are getting out of town. They decide to island resort for some much - needed rest relaxation. A few days in paradise should do wonders for Greg and his frazzled family.

But the Heffleys soon discover that paradise isn't everything it's cracked up to be. Sun poisoning , stomach troubles and venomous critters all threaten to ruin the family's holiday. Can their trip be saved , or will this island getaway end in disaster?