The race is on to find all of the reflectors - and the clues lie in an incomplete Zodiac chart. Mr Sweet doesn't believe the gem has been stolen. Looks like Jerome's on his own now... Meanwhile, at the restaurant, Piper turns up posing as Patricia. Patricia decides to keep an eye on Piper. Sweet and Eddie are fooled that is, until Eddie and his dad see both Piper AND Patricia standing next to each other... Nina realizes Victor has his own copy of the Zodiac but his is more complete! Amber makes a copy but Fabian can't decipher any of the symbols. Meanwhile, Jerome hacks Jasper's computer and proof that he is working for the Collector and then he finds a coded call for help from Trudy...