Captain Glass of the USS Arkansas discovers that a coup d'état is taking place in Russia, so he and his crew join an elite group working on the ground to prevent a war.
An 18th birthday mushroom trip brings free-spirited Elliott face-to-face with her wisecracking 39-year-old self. But when Elliott’s "old ass" starts handing out warnings about what her younger self should and shouldn't do, Elliott realizes she has to rethink everything about family, love, and what's becoming a transformative summer.
Twenty years after they were frozen, Abe, Cleo, JFK, and Joan suddenly find themselves thrust into the modern world, where they must navigate a fresh batch of historical clones, dramatic love triangles, and a formidable new foe.