Lin's friend, Airi, is being stalked. The three brothers immediately come to her aid, saying they'll take care of the stalker. They sneakily follow Airi around and soon find out it's not just a stalker that follows Airi around...
She seems to have run into a stalker recently.
Al parecer desde hace poco 
la sigue un acosador.
Parece ser que desde hace poco 
la sigue un acosador.
Parece que ela vem sendo
 seguida por um stalker.