In Baldur's Gate 3, there are a ton of hidden interactions and events that are only revealed when the player takes very specific actions, intentionally or otherwise. One notable example of this is Gale's contingency plan, which is only revealed in the event of his death.
Baldur's Gate 3: How to Revive/Resurrect Gale
In Baldur's Gate 3, Gale has a contingency plan to deal with his potential death and this guide will explain how to act on it.