A young boy in New York City, Theo Decker, miraculously survives an accident that takes the life of his mother. Alone and abandoned by his father, Theo is taken in by a friend's family and struggles to make sense of his new life. In the years that follow, he becomes entranced by one of the few things that reminds him of his mother: a small, mysteriously captivating painting that ultimately draws Theo into the art underworld.

Al empezar El jilguero, entramos en una habitación de hotel en Amsterdam. Theo Decker lleva más de una semana encerrado entre estas cuatro paredes, fumando sin parar, bebiendo vodka y masticando miedo. Es un hombre joven, pero su historia es larga y ni él sabe bien por qué ha llegado hasta aquí.