diff --git a/src/StoryFactory.sol b/src/StoryFactory.sol
index a2ee865..3e9be5a 100644
--- a/src/StoryFactory.sol
+++ b/src/StoryFactory.sol
@@ -5,11 +5,60 @@ import {IMCV2_Bond} from "./interfaces/IMCV2_Bond.sol";
 import {IERC20} from "./interfaces/IERC20.sol";
 
 /// @title StoryFactory — PlotLink storyline and plot management
-/// @notice Placeholder — full implementation in subsequent tickets
+/// @notice Creates storylines on Mint Club V2 bonding curves, stores plots,
+///         enforces access control and deadlines. No admin, no owner, immutable.
 contract StoryFactory {
+    // -----------------------------------------------------------------------
+    // Structs
+    // -----------------------------------------------------------------------
+
+    struct Storyline {
+        address writer; // sole author, royalty recipient
+        address token; // storyline token address on Mint Club
+        uint256 plotCount; // total plots chained
+        uint256 lastPlotTime; // timestamp of last plot (for deadline)
+        bool hasDeadline; // whether 72h deadline is enabled
+        bool sunset; // true if deadline expired
+    }
+
+    // -----------------------------------------------------------------------
+    // Events
+    // -----------------------------------------------------------------------
+
+    event StorylineCreated(
+        uint256 indexed storylineId,
+        address indexed writer,
+        address tokenAddress,
+        string title,
+        bool hasDeadline,
+        string openingCID,
+        bytes32 openingHash
+    );
+
+    event PlotChained(
+        uint256 indexed storylineId,
+        uint256 indexed plotIndex,
+        address indexed writer,
+        string contentCID,
+        bytes32 contentHash
+    );
+
+    event Donation(uint256 indexed storylineId, address indexed donor, uint256 amount);
+
+    // -----------------------------------------------------------------------
+    // State
+    // -----------------------------------------------------------------------
+
     IMCV2_Bond public immutable BOND;
     IERC20 public immutable PLOT_TOKEN;
 
+    mapping(uint256 => Storyline) public storylines;
+    uint256 public storylineCount;
+
+    // -----------------------------------------------------------------------
+    // Constructor
+    // -----------------------------------------------------------------------
+
     constructor(address _bond, address _plotToken) {
         BOND = IMCV2_Bond(_bond);
         PLOT_TOKEN = IERC20(_plotToken);