Talk with Batram | Chapter 3 - Natural Resources DI Riptide Guide

Enter the missionary cottage and talk with Batram. He'll let you take Marcus' things from the cottage, but you'll do this in the next main quest. Attention: don't forget to take a Reward from Batram, which is 5 Throwing Knives. You can trade with him also.

Main quest unlocked: The Ritual (quest is automatically unlocked after finishing the described mission).