In the bustling metro of Monterrey, a chance encounter sparks a heated moment between two gay men. Chacal, a regular on the metro, exchanges glances with a handsome stranger, igniting a lustful connection. As the train rattles on, they find themselves drawn to each other, their bodies brushing, hands lingering. The anonymity of the metro car fuels their desire, leading to a passionate make-out session, oblivious to the world around them.