When the “Captain Trips” flu epidemic wipes out more than 99% of the population, the remaining few immune to the disease set out in search of other survivors, all the…

Hope urges Jack to read Charmaine’s letter. Preacher confronts Paige with his new knowledge. Mel and Doc work together on a pressing case.

Ryn continues to try to teach the other mermaids to be more human in order to better assimilate, but some are starting to resist her, causing Ryn to wonder if…

Ben, Maddie and Ryn desperately try and keep the newly arrived mermaid pack hidden from the rest of the town, but the new mermaids’ quick degradation on land forces them…

Love is in the air as Waverly and Nicole celebrate their engagement with an enchanted evening.