It's the 31° mission in chronological order of the RDR2 story mode, played with protagonist Arthur Morgan .
While optional for story progression, this is an Optional Honor Mission required for the "Lending a Hand" Trophy/Achievement. It's a time-sensitive and missable mission, so it can only be played at this specific point in the story.
The Course of True Love - III - Mission Details:
At the request of Beau, Arthur drives Penelope and other protestors through Rhodes as they participate in a women's suffrage rally.
Gold Medal Objectives (100%)
The following are the Mission Objectives required to obtain the Gold Medal in the mission "The Course of True Love - III":
- Complete within 4 minutes 15 seconds
Note: You must complete all Gold Medal requirements in one single playthrough of the mission.