In his never-ending pursuit to accumulate the perfect stock of round and shiny acorns, Scrat, the restless sabre-toothed squirrel, accidentally triggers a geologic chain reaction of epic proportions after the events of _Ice Age: Dawn of the Dinosaurs (2009)_ (qv). As a result, Manny gets separated from Ellie and their rebellious teen daughter, Peaches. And now, set adrift on an enormous chunk of a towering iceberg with Diego, Sid, and feisty grandma Granny, there is no turning back. Then, as if confronting the freezing ocean weren't enough, the inexperienced seafarers stumble upon the ultimate terror of the seas: Captain Gutt, a barbarous pirate with a shocking hidden agenda. Will the prehistoric companions ever reunite with their beloved ones?—Nick Riganas