It’s Christmas time in Swallow Falls and to Sam’s surprise there’s not a single Santa Claus decoration! Until Flint introduces her to their version of Santa, Lobster Claus! Frustrated, Sam writes to Santa to tell him about Lobster Claus taking credit for all of Santa’s work. Santa unexpectedly arrives in Swallow Falls to challenge Lobster Claus. The town blames Sam for ruining Christmas, and she and Flint must find a way to make peace between the two Clauses.