Digit's friend Ren is excited to plan a very special Valentine's Day party at his favorite spot--the beautiful Botlyn Botanic Garden. It's the only garden in all of bustling Botlyn, and he can't imagine having his celebration any place else. But when Ren and the CyberSquad discover the garden isn't available, it's time to improvise. They get their hands dirty and use their math skills to plot out and plant a beautiful garden in an unlikely space. Will everything come up roses? Meanwhile, Hacker receives an unexpected valentine of his own. From whom could it possibly be?