Possible Clues:

• Vivid memory
• Disturbing sudden vivid memory of a past event
• Childhood scene, perhaps
• Scene from past action
• Not part of the present-day scene ...
• Quiet graduate caught in adverse criticism: it happened before
• Out-of-sequence scene
• (Transition to) earlier scene
• With camera accessory, returned to scene of the past
• Past scene re-enacted