diff --git a/src/group/group.controller.ts b/src/group/group.controller.ts
index bc2b86b..92e804b 100644
--- a/src/group/group.controller.ts
+++ b/src/group/group.controller.ts
@@ -184,8 +184,8 @@ export class GroupController {
     summary: '모임 이벤트 상세 조회',
     description: '특정 모임의 특정 이벤트를 조회합니다.',
   })
-  getEvent(@Param('groupId') groupId: string, @Param('eventId') eventId: string) {
-    return this.groupService.getEvents(groupId, eventId);
+  getEvent(@Req() req: any, @Param('groupId') groupId: string, @Param('eventId') eventId: string) {
+    return this.groupService.getEvent(req.userId, groupId, eventId);
   }
 
   @Get(':groupId/transaction')
diff --git a/src/group/group.service.ts b/src/group/group.service.ts
index 813f108..4a61e51 100644
--- a/src/group/group.service.ts
+++ b/src/group/group.service.ts
@@ -151,6 +151,13 @@ export class GroupService {
     return await this.getAllEvents(group.events);
   }
 
+  async getEvent(userId: string, groupId: string, eventId: string) {
+    const group = await this.groupRepository.findOne(groupId);
+    this.groupValidator.validateGroupViewer(group, userId);
+
+    return this.eventService.getOne(eventId);
+  }
+
   async getTransactions(userId: string, groupId: string) {
     const group = await this.groupRepository.findOne(groupId);
     this.groupValidator.validateGroupViewer(group, userId);