You Scratch My Back, I'll Scratch Yours

You Scratch My Back, I'll Scratch Yours is a mission in Deus Ex: Human Revolution. It is avaiable only with the Explosive Mission Pack.

Meet the Harvester contact

 * Meet one of Tong's Harvester thugs in the sewers below the Alice Garden pods.

Rescue Tong's son

 * Infiltrate the abandoned noodle factory and rescue Tong Jr. from Belltower Associates.
 * Give him the harvester contraption.

Meet Tong in the Harvester hideout

 * Complete the mission and receive Grenade launcher as a reward.