A lighter subplot involves Frankie's new apartment, which he tried to keep secret until his mother, Angela, forced a "hideous" free armchair into his life.

The episode concludes with the team celebrating at Frankie's new place, relieved that his career and reputation remain intact. "Rizzoli & Isles" The Platform (TV Episode 2015) - IMDb

The team discovers that the gun Frankie saw was real but had been quickly removed from the scene by an accomplice.