You had a months-long relationship with Tim, inviting him to your birthday party as your boyfriend in that comfortable second-floor flat where you lived. But you had noticed in the night how your boyfriend was clearly jealous of your best male friend

In the midst of all the fun, you noticed that the two of them were missing. So you went to look for them outside the flat, when your eyes caught sight of Tim wearing a mask as he killed your best friend with a knife in his right hand