It's Eve's first Christmas but when she picks up a virus she enters a cheerless parallel world. Can Will and the gang save Eve from her Christmas nightmare?
Eve's head and body spin when Zac returns from Cuba determined to win her back. While Will and Nick have to deal with an unexpected visitor or two of their own.
For safety, Katherine wants to keep Eve at Calimov. But Eve is more interested in learning about 'smaller humans' and fancies trying a spot of babysitting herself.
Eve gives Abe a massive shock. Fearing she's become a danger to her friends, Eve asks Katherine to shut her down. Will has other ideas and investigates the dangerous Mr Gwenlan.
Eve and the gang try to discover the identity of Mary's robot. Eve looks to the great Sherlock Holmes for inspiration. Katherine and Nick have even sneakier methods.
Things get spooky when Abe and Eve persuade the gang to visit a haunted house on a ghost hunt. Meanwhile Katherine forges a deal with Mr Gwenlan that leads to a quarrel with Nick.