Is cynical Amsterdam inspector Piet Van der Valk’s favorite Vermeer painting the key to two senseless murders and a suspected kidnapping? In Episode 1, “Love in Amsterdam,” art, politics, and passion mix in a case that breaks in Piet’s new assistant and prompts discord with the police chief. Piet’s sidekick, Lucienne, courts death. Meanwhile, a bitter political campaign counts down to a fateful election.