The series follows Shelby and Cyd, who gain the power to leap forward and backward in time whenever they want - and sometimes when they don't. Now, the duo experience the twists and turns of friendship as they try to decide between fixing mistakes in the past or catching a glimpse of the future. While aspiring scientist Barry and his trusty assistant, Naldo, try to figure out how to replicate time travel for themselves, Cyd and Shelby use their newfound power to navigate high school, life and Shelby's mischievous twin brothers, Bret and Chet.