diff --git a/api/src/entities/user.ts b/api/src/entities/user.ts
index 23b1b6f..49d12b4 100644
--- a/api/src/entities/user.ts
+++ b/api/src/entities/user.ts
@@ -7,19 +7,20 @@ import {
   UserWithPasswordCtor,
 } from '@core';
 import { getHashedPassword } from '../functions/password';
+import { Card } from './card';
 import { Entity } from './entity';
 
 export class User extends Entity implements UserInfo {
   username: string;
   role: keyof typeof UserRoles;
-  cards: CardInfo[];
+  cards: Card[];
 
   constructor(raw: UserCtor) {
     super(raw);
 
     this.username = raw.username || '';
     this.role = raw.role || UserRoles.USER;
-    this.cards = this.cards || '';
+    this.cards = raw.cards ? raw.cards.map(card => new Card(card)) : [];
   }
 
   Info(): UserInfo {
@@ -27,7 +28,7 @@ export class User extends Entity implements UserInfo {
       uuid: this.uuid,
       username: this.username,
       role: this.role,
-      cards: this.cards,
+      cards: this.cards.map(card => card.Info()),
     };
   }
 }
@@ -46,7 +47,7 @@ export class UserWithPassword extends User implements UserInfoWithPassword {
       uuid: this.uuid,
       username: this.username,
       role: this.role,
-      cards: this.cards,
+      cards: this.cards.map(card => card.Info()),
       password: this.password,
     };
   }
diff --git a/api/src/framework/mongo/user.ts b/api/src/framework/mongo/user.ts
index 3e4f577..b97a908 100644
--- a/api/src/framework/mongo/user.ts
+++ b/api/src/framework/mongo/user.ts
@@ -1,5 +1,5 @@
 import { Collection, Db } from 'mongodb';
-import { Card, CardInfo, LoginUserBody, UpdateUserBody } from '@core';
+import { Card, CardInfo, LoginUserBody, UpdateUserBody, UserInfo } from '@core';
 import { User, UserWithPassword } from '../../entities/user';
 import { log } from '../../functions/logger';
 import { getHashedPassword } from '../../functions/password';
@@ -54,7 +54,22 @@ class UserModel {
   }
 
   public async read(tracker: string, uuid: string): Promise<User> {
-    const userDocument = await this.collection.findOne({ uuid });
+    const [userDocument] = await this.collection.aggregate<UserInfo>([
+      {
+        $match:{
+          uuid
+        }
+      },
+      {
+        $lookup: {
+          from: "cards",
+          localField: "cards",
+          foreignField: "_id",
+          as: "cards"
+        }
+      }
+    ]).toArray();
+    console.log(JSON.stringify(userDocument));
     if (!userDocument) {
       log(tracker, 'User Not Found');
       throw new Error();
@@ -118,7 +133,7 @@ class UserModel {
           updatedAt: new Date(),
         },
         $addToSet: {
-          cards: card,
+          cards: card._id,
         },
       },
     );