内容简介：
After the stolen gemstones are found, a new mystery arrives and it looks like these eight puppies aren't working together as a team. Syleria Susae and Vanessa Pana find out that their county zoo has a real, live unicorn! But is the unicorn real? The other six members of the Dream Detectives Dog Club don't think so. Instead of jumping to conclusions, Susae and Pana team up with Sophie and Patience from the "Feline & K9 Companions." Even though these friends encounter many happenings, they are determined to complete their mission of the mystery unicorn. Is it real or fake? That's the big question. Learn how just seeing is not the only way for believing.