His Name is Albert Episode 7

Gaston was once known as a master forger in the underworld. After putting Picasso's signature on a painting by his grandchild, it's bought by the millionaire Mr. B. Lupin is hired by Gaston to retrieve the painting, and manages to do so easily enough... except the painting has a strange resemblance to a real Picasso piece, forcing Lupin to examine the truth behind why he was hired.