Lucia and the Lost City of Atlantis follows the thrilling adventure of a fearless young girl, Lucia, who discovers an ancient map leading to the fabled underwater city of Atlantis.

Joined by her loyal dolphin companion, Coral, Lucia dives deep into the ocean's mysterious depths, where she faces mythical creatures, treacherous underwater caves, and ancient traps.

As they race to uncover the city's secrets before the evil treasure hunter Orpheus can exploit its power, Lucia learns that the greatest treasure is not gold or jewels, but the wisdom hidden beneath the waves.