Assuming the Truth is a Strangers & Freaks side mission in Grand Theft Auto V given by Marnie Allen and Epsilon Program, involving protagonist Michael De Santa.
It's the 3° mission for Marnie Allen and Epsilon Program, after the Accepting the Truth mission.
This is an optional mission, not required for 100% completion of the game.
Assuming the Truth - Mission Details:
Michael needs to steal 5 vehicles to advance on his path to enlightenment.
After donating $5,000 to the Epsilon Program, Michael meets Marnie out in Grapeseed. Marnie tells Michael his name is Zolag and goes on about his journey and how he shall soon be freed. Marnie says she is now Shupar, Queen of the Winds. Michael tells Marnie that this is all bullshit and goes to leave. Before he goes, Marnie tells him that actors, philosophers and humanitarians are part of Epsilon and that they need cars.
Marnie goes on to ask Michael to obtain the cars and that the spirits will email him with their requirements. The five cars Michael needs to obtain are:
- Pegassi Vacca
- Benefactor Surano
- Declasse Tornado
- Enus Super Diamond
- Dinka Double T
Each car needs to be delivered to a house on Hillcrest Ridge Access Road in Vinewood Hills.
Gold Medal Objectives (100%)
There are no Gold requirements for this mission.
Assuming the Truth: Mission Objectives
- Deliver 5 cars to the house on Hillcrest Ridge Access Road in Vinewood Hills: Pegassi Vacca, Benefactor Surano, Declasse Tornado, Enus Super Diamond, Dinka Double T.
Assuming the Truth: Mission Info
- Mission Type Strangers and Freaks
- Mission Giver
Marnie Allen, 
Epsilon Program - Protagonist (Playable)
Michael De Santa - Location Grapeseed
- State / Area Blaine County
- Required for 100% No
- Featuring
Double-T 
Super Diamond 
Surano 
Tornado 
Vacca Marnie Allen - Notes Not required for 100% completion of the game. The mission cannot be replayed afterwards, as it's done as a free roam activity.