Hayate Ayasaki's first love, though named Athena Tennousu, has lost her memories and now lives as a child named Alice. Setting aside the reason why all this happened, episode 3 follows the lonely young Athena Tennousu, now nicknamed "A-tan," and Hayate as they get wrapped up in a bit of a criminal incident...
If you're looking for the dog that took 
the briefcase, he's not here anymore.
Si está buscando al perro que tomó 
el maletín, ya no está aquí.
Si estás buscando al perro que cogió 
el maletín, ya no está aquí.
Se você está procurando o cachorro que
 pegou a mala, ele não está mais aqui.