Chapter IV: An Urgent Venture

 is a Sunless Sea Story Event.

Story description
''The Page led me - crouching at first, and then on my knees - before King Gracegnaw and the Seneschal. The King was the largest guinea pig I had ever seen, easily twice the size of the largest Knight in his retinue. The Seneschal looked positively dainty next to him. "We are told," intoned the King, "that you have promised your assistance to the House of Cavy. This is agreeable to us. But what form shall your assistance take?"''

Trigger conditions
 is triggered when you do the I had seen enough action in Chapter III: A Knight Out Of Habit.