Watch One Night Stand Full Movie Free Online 123Movies. Michelle Sanderson (Ally Sheedy) is a woman who seems to have everything -- great looks, a promising career, a large circle of friends. But the one thing she yearns for most is a romantic relationship, which somehow eludes her. One night, Michelle meets a stunning young man and the game of seduction begins. But is this stranger really the man of her dreams or is he something more dangerous? A steamy one-night stand sets the stage for a suspenseful exploration of a woman's need for the right lover and the consequences she faces when choosing a person she just met.