After the death of his parents, 10-year-old, Jackson Mayhew (Culkin), moves in with his Aunt. But when he befriends an elderly man (Cronyn), he begins to suspect that the old man is actually Santa Claus.
An elusive serial killer known as the Zodiac terrorizes the San Francisco Bay in the late 1960s, while detectives aim to stop him before he claims more victims. Based on a true story.
In the midst of his crumbling relationship, a radio show host begins speaking to his biggest fan, a young boy, via the telephone. But when questions about the boy's identity come up, the host's life is thrown into chaos.