Ichiro and the others head to Osaka Bay to dismantle the bombs at the theme park where TBH announces that they're holding an Underground Division Rap Battle. The crews split into three groups to cover three areas, then assassins appear to block their way!
Do these keys indicate locked gates?
هل تشير المفاتيح لبوّابات مغلقة؟
Die Schlüssel stellen wohl
verschlossene Türen dar.
¿Las llaves muestran
las puertas cerradas?
¿Estas llaves serán puertas cerradas?
La clef doit indiquer
que la porte est close.
Le chiavi significheranno 
che quei cancelli sono chiusi?
Essas chaves indicam portões?
Судя по картинкам,
без ключей ворота не открыть.