Initial Synopsis of mystery/crime/horror film

The basic storyline of this opening is that a group of friends are preparing to go out for a drink and a good time. When they go to pick up Eric, However, Eric doesn’t answer the door, then the door opens by itself, the 3 friends enters the house to check on Eric, The house will be dark and creepy, the music will also be a slow paced music to build suspense. 2 of the friends will stay down stairs to watch TV, while one of the friend to check upstairs for Eric, it is very dark upstairs, except for the bathroom which is lit, which reveals that Eric has drowned in the sink, the boy runs up to check on Eric, and is horrified to find that Eric is dead, as he is staggering back to leave the bathroom, the bathroom door slams shut behind him the boy is then horrified and stands still. Then the floor creaks. And the title comes on.