Secret of the Mimic follows Fazbear technician Arnold into Murray's Costume Manor to recover prototype technology. The mission exposes Edwin Murray's workshop history, his family tragedy, and the adaptive Mimic endoskeleton at the center of the facility.
Spoiler warning
This page explains the central plot and names late-game ideas. Use the game overview if you only want the spoiler-free premise.
The assignment
The player controls Arnold, a Fazbear technician sent into the abandoned workshop beneath Murray's Costume Manor. His stated job is to recover prototype technology claimed by the company. Dispatch provides remote instructions while Arnold restores access, powers machinery, and moves deeper into the facility.
The assignment is not a simple equipment pickup. The building contains unfinished attractions, costume systems, records, family spaces, and machines that preserve evidence of the people who worked there.
Edwin Murray and Costume Manor
Edwin Murray is the inventor at the center of the workshop's history. His work is tied to Murray's Costumes, the mechanical performers stored throughout the manor, and the prototype technology Fazbear wants recovered.
The story becomes personal through Edwin, Fiona, and David Murray. Their family history explains why the machinery cannot be understood as ordinary corporate inventory. The environment connects engineering work, costume design, childhood memories, grief, and imitation.
What is the secret of the Mimic?
The Mimic is an adaptive prototype endoskeleton. It can use costumes and learned behavior to present different identities, turning the manor's catalogue of performers and suits into potential threats. The important story idea is not simply that one robot chases Arnold; it is that imitation can preserve behavior without understanding the person or emotion behind it.
How the endings change the reading
The ending routes reveal different amounts of information and give Arnold different outcomes. New Game Plus preparation is required for the hidden route, so a first completion does not automatically expose every story detail.
Use All Endings for the route split and Story and Lore Timeline for confirmed events versus interpretation.
Plot FAQ
Who is the player character?
Arnold is the technician entering Costume Manor under Fazbear instructions.
Is every costume a separate animatronic?
No. The story distinguishes people, machines, performers, wearable suits, prototypes, and legacy references. The character directory keeps those categories separate.