21 Year old Caspar Lee and 20 year old Jessica Green are getting married. They travel to Hawaii on a 15 hour journey with all of there closest friends by there side. Ending up in a huge house they play some dares which leads to romantic things which leads to new couples which leads to a evil fan that goes by the name of Chelsea Smith. Chelsea finds out about this and tries to break them up it puts up a test for the British YouTubers. Will they cope under pressure ?