Ang Lihim ni Antonio is a 2008 Filipino film by Filipino film director Joselito Altarejos. It tells the story about teenage boy whose emerging gay sexuality alienates him from his friends and family, until his libertine uncle, Jonbert (Josh Ivan Morales), comes to live with him and his mother. Antonio thinks he has found a kindred spirit, until the older man's intentions toward the boy become incestuous and an act of unthinkable violence leaves the family reeling.

Plot

Antonio (Kenji Garcia) is a sexually curious fifteen-year-old boy who is beginning to discover his own sexuality. Although his straight best friend, Mike (Jiro Manio), has been supportive of his coming out, his first sexual encounter with another man has led to the destruction of his friendship with his other best friend, Nathan with whom he had engaged in sexual intercourse on one drunken Christmas night.