The big four is a group of guardians who save the world. Jack Frost, Rapunzel, Merida and Hiccup are part of the squad. Their missions are always successful until.... They got a mission to protect Princess Anna (soon queen of Arrendalle) and her coronation. But this time they failed. Princess Anna was kidnapped. The group decided to fix the mission and save princess Anna. But this became more complicated. Jack fell in love with the kidnapper, a mysteriously girl Elsa. She works for the biggest evil company in the world. Her boss Pitch Black is the best villain of all time. Things got complicated for Elsa too, because she feels the same for Jack like he feels for her. Will they be together? Who will win? Will the big four fall apart? Read the book and find out