Source Filmmaker is a 3D computer graphics software toolset published by Valve for creating animated films, utilizing the Source game engine. Source Filmmaker has been used to create many community-based animated shorts for popular Source games, including Team Fortress 2, the Left 4 Dead series, and Half-Life 2.
Glamrock Freddy, Glamrock Bonnie, Glamrock Chica, Glamrock Foxy, and Puppet awake after 2 years from the final fight with Monty and Roxy. Puppet discovers new animatronics amongst them, and the gang finds the bodies of their "friends".