Romain is the perfect grandson. He visits his grandmother regularly and helps her out—because she is seriously starting to lose her marbles. Okay, she confuses her grandson with her son. Okay, she thinks that her long-dead husband is still talking to her. But when she murders the guy who comes to install a smart meter because she’s convinced he’s a terrorist, that’s… well, it’s not okay. But what does the perfect grandson do? Tries to destroy the evidence, of course—and in doing so triggers a chain of events that is at once dramatic and hilarious!