To Lizzie, Eric, Haylei, and Austin, life has always been usually normal. But they become partners for a Science Project. In the safety of Eric's secret hideout, the bombs can't get them. But they get everyone else. So, they try to go back in time but the only people who has a time watch is the elite team of German people who just destroyed the world. Why would they destroy the Earth? This job is dangerous...what's going to happen to these kids?