A crime wave has hit the city! The sinister, disguise-wearing criminal LePurr has been hitting up flower shops, and Ruff is determined to stop her! Ruff gets Brian to patrol a local flower shop, and he also sends Isaac out in disguise to try to trick Brian. He then sends Talia and Sterling to learn about laser light and optics, which they will use to dismantle the security system in LePurr's hideout!