Someone has hidden a nuke in Central City, and the Flash has minutes to find it before it goes off! Just one problem: Wally's already checked everywhere. In fact, he's actually been checking everywhere over and over for days due to the "putting yourself in danger" trend that's been making his life a huge pain! But if the Flash can't find the bomb alone, at least he's got the help of his brilliant wife Linda, along with the aid of... Captain Cold? That can't be right — can it? The clock is ticking. Plus: Wally's mysterious Flashes of Insight escalate!