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 I confess before I wipe them 
all off, I'll still be a suspect!
¡Si confieso antes de borrarlas, 
seré una sospechosa igualmente!
¡Si confieso antes de borrarlas, 
seré una sospechosa igualmente!
Se não limpar antes de confessar,
 eu que serei suspeita!