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...
Bad dog! You're enough of a glutton 
already, but scavenging is—
¡Perro malo! Ya eres un glotón, 
pero esto de recoger cosas es—
¡Perro malo! Ya eres un glotón, 
pero esto de recoger cosas es...
Assim não dá, você já é um comilão,
 mas ir atrás de comida...