Claire Dennison, a successful ad agency manager, feels unfulfilled in her marriage to middle-aged psychologist Jonathan due to his lack of passion in their relationship. When a colleague suggests fantasizing to spice things up, Claire takes matters into her own hands and pretends to be a sexy Italian. However, Jonathan doesn't play along, and Claire begins to crave more excitement. She starts to schedule secret trysts with Jonathan, who is transformed into a charming Italian lover named Roberto. But when Claire discovers that the man in her bed is actually a stranger named Simon Phillips, she realizes that she has made a grave mistake.

Impulse
A woman's brief romantic fascination with a duplicate of her husband escalates into a terrifying ordeal as she discovers the sinister reality behind her lover's malevolent intentions.