A young man lies injured after a fight, and his male friend, who admits blame, insists on staying with him at the hospital. The doctor reports the MRI is clean with no permanent physical damage but reveals a diagnosis of retrograde amnesia from the concussion. Awake and confused, the patient asks who his friend is, having no memory of their past conflict. Seeing an opportunity, the friend decides to conceal their strained relationship. In a pivotal turn, he introduces himself not as a friend, but claims to be the patient's boyfriend.