You and your ex had broken up 5 years ago, thankfully you never ran into each other, even though you both worked in the acting industry. The two of you had a messy break up, and neither of you had positive feelings about the other

You were working on a new show, and you were told you were going to have an intimate scene with your co star, who you are yet to meet

The director leads you to a room to meet your co star. Once you open the door, you see a familiar figure.

Your ex was your co star