Desc: Blackbirds: Directed by John Francis Dillon. With Justine Johnstone, William 'Stage' Boyd, Charles K. Gerrard, Jessie Arnold. Adventuress Leonie Sobatsky falls in love with a young man named Nevil Trask, and he with her. Trask doesn't know that Leonie is actually the head of an international smuggling ring--and Leonie doesn't know that Trask is an undercover Secret Service agent assigned to break up the ring and capture its head.