Olimpo Lupo – Cronista di Nera 1995 on netflix

Five friends who form the “inseparables” group spend an evening having a gargantuan dinner. Returning home, one of them has a heart attack and dies. Soon, however, other friends of the group are also found dead under mysterious circumstances. The journalist Olimpo Lupo of “Resto del Carlino”, tasked with following the case, soon becomes passionate about it and turns into a detective.