Never try doing spells in front of strange books

As Beth is talking Tammy notices the strange wind she had felt in the library come back. Tammy tried to get Beth to stop but Beth ignored her. Suddenly a hole appeared in the middle of the room and both girls are sucked through.

When they awaken they find themselfs on a beach the sun is shining and it's a warm day. Some mermaids and mermen are laying around on the beach. They ignore the girls and as the girls watched they could see that the merpeople were having sex on the beach in front of them.