Kefir, Gavrosh i Rikoshet. Okhotniki za zhemchugom

Oslepitel'naya vspyshka nad Ikarusom predveshchayet yego zhitelyam bol'shiye nepriyatnosti! V gorode odno za drugim propadayut zdaniya — snachala muzey, potom kafe… Yegor, reshivshiy stat' sledovatelem, beretsya raskryt' tsep' zagadochnykh prestupleniy, Ilona gotova yemu pomogat', nu i konechno, nado pozvat' troyku veselykh i nakhodchivykh yenotov-inoplanetyan — Kefira, Gavrosha i Rikosheta. Kazhetsya, klyuch k tayne — slovo «zhemchuzhina».