Possible Clues:

• Cliche
• Characters saying 'you'd better come see this,' e.g
• Word employed in a figurative sense
• Movie cliche, e.g
• Figure from writer of some reportage from the east
• Recurring idea used in intro, perfect
• Common theme
• Convention of dramatists
• Meet-cute in a rom-com, e.g
• Amnesia in soap operas, e.g