Marissa is super into acting. When she sees Archer being ruthlessly and annoyingly flirted with, she pretends she's on a date with him so that the girls will leave him alone. She’s already caught him retreating to the music hall to get away from all the attention now that he’s recently single and available. One time she even hears him playing the piano.
She never suspected her new perfect boyfriend was her undercover security...but then again, he never expected to fall in love with his assignment.