: Lara is hunted by Trinity , an ancient paramilitary order seeking the Divine Source to create an unstoppable army.

Lara's journey centers on the legend of the and the Divine Source , an artifact capable of granting eternal life.

: Before she is assassinated by a Trinity sniper in the post-credits scene, Ana reveals that Trinity actually ordered the murder of Lara’s father, staging it as a suicide. DLC Extensions

: Lara investigates the "Wicked Vale," uncovering a Soviet biological experiment involving hallucinogenic pollen that created the myth of the witch.

: Lara discovers that Ana , her father's former partner, is a high-ranking Trinity operative who manipulated Lara's father for years.

The story is deepened by additional content included in later versions:

: Set within Croft Manor , Lara searches for her father’s will to reclaim her childhood home, discovering personal letters that detail her parents' deep love and tragic end.