After everyone got on the deserted island due to their cruise being submerged, the Rainbooms try to think of a plan to sneak into Ponyville with every passenger not getting caught. In the meantime, everyone waits until the Rainbooms come up with their strategy.

Lyra Heartstrings had one heck of a vacation on the cruise but it was nothing like her last cruise vacation with Sweetie Drops. Her friends wanted to know why Sweetie Drops never came, not to mention she never been on the beach. Lyra tells the untold story to Derpy, Vinyl and Octavia everything that happened to her best friend's one and only cruise vacation.

Thanks to Daniyel099 for editing this.
https://www.fimfiction.net/user/292246/Daniyel099