"Mercury Rising" is a gripping thriller that revolves around a young autistic boy named Simon Lynch, who inadvertently deciphers a top-secret government code. When Simon cracks the code of a classified intelligence program known as "Mercury," he becomes the target of a ruthless government assassin, played by Bruce Willis. As the boy's life hangs in the balance, an FBI agent, portrayed by Willis, takes it upon himself to protect Simon from the deadly forces pursuing him. The film explores themes of trust, the bond between protector and child, and the lengths one will go to safeguard innocence in a world filled with danger. As the tension escalates, both characters must navigate a treacherous landscape of conspiracy and betrayal, ultimately leading to a heart-pounding climax that tests their resolve and courage.