The Silver family is enjoying a peaceful picnic in one of Fogville's parks when suddenly the lake begins to boil and bubble like a cauldron of water. Echo and the Bat Pack must solve the mystery of the thing in the sewers.
Treasure and pirates and ghosts, oh my! When Echo discovers someone has been digging up the Fogville cemetery in search of missing buried treasure he needs his new friends, the Bat Pack, to help him get to the bottom of this spooky mystery.
When Becca wants to take dance lessons, Echo and the rest of the Bat Pack have to help uncover a mystery involving her dance instructor and a strange new neighbour who just might be a vampire!