Urban Survival Street Chase Short

Generate a 20-second, 16:9 widescreen, 720p, high-realism live-action urban street chase action short.

Employ tense, fast, but spatially clear standard action movie editing. A rain-slicked commercial street at twilight, in the blue hour; most shops are closed, with metal rolling shutters, old brick walls, narrow alleys, external fire escapes, and scattered warm yellow shop lights forming a realistic urban environment. The wet asphalt reflects streetlights and neon, with no recognizable brands or garbled text.

[Full Protagonist Design]
The lead is a 22-year-old East Asian female, approx. 168cm, slender, firm, with an athletic build from daily running; agile but not a professional spy or superhero. Warm natural skin tone with real pores and texture; narrow oval face, clear brow ridge, thick straight eyebrows, sharp eyes, natural straight nose, clean jawline, and a very faint small scar at the end of the right eyebrow. Bust is full with clear contours.

Black collarbone-length hair tied in a loose low ponytail. The ponytail, stray hairs, and clothes sway continuously with speed and turns; as stamina depletes, some stray hairs stick to the forehead and cheeks.
Clothing is fixed as: Dark green matte lightweight windbreaker, Dark grey U-neck tight T-shirt, Black straight work pants, Dark grey non-slip running shoes, Black nylon crossbody bag with a burgundy strap crossing from right shoulder to left waist.
Maintain the same face, build, hair, clothing, and bag throughout. The bag belongs strictly to the lead and cannot transfer to pursuers.

[Pursuers]
Fixed as 3 adult males, unarmed: Pursuer A (Tall, charcoal hoodie, black pants), Pursuer B (Stout, blue denim jacket, yellow T-shirt), Pursuer C (Thin, brown old work jacket, grey beanie). Identities and clothing must not swap; count remains 3.

[00:00–00:02.5 | Setup & Discovery]
Fixed side panorama. Lead sprints out of an alley on the left, checks behind. A, B, and C emerge in sequence. Lead accelerates towards the right. Music starts with low pulses and rhythmic footsteps.

[00:02.5–00:06 | Side Track Follow | Distance Closes]
High-speed track shot parallel to the lead. Lead sprints, bag bouncing. Pursuer A closes the distance. Lead steps into a puddle, water splashes realistically; no slipping.

[00:06–00:09.5 | Low-Angle Follow | Obstacle Cross]
Low-angle wide follow from the front. A tipped-over delivery bike blocks the path. Lead adjusts, steps firmly with the left leg, and jumps over the frame. Lands on the right foot, cushioning with bent knees, then re-accelerates. A hurdles the bike, B bypasses left, C bypasses right.

[00:09.5–00:13.5 | Long Lens Pressure | Dead End]
Frontal long lens from deep in a narrow alley. Lead turns into the alley; lens compression makes pursuers look closer. Lead discovers the alley ends in a brick wall. Speed drops to rapid deceleration steps. She panics briefly, then spots a metal tool chest and a fire escape ladder 2 meters above.

[00:13.5–00:17 | Low-Angle Medium | Leap to Fire Escape]
Lead sprints to the tool chest, steps on the metal edge (clanging sound), and leaps. Hands grab the lowest rung. Arms bear her weight. Pursuer A lunges for her right foot but misses by 20cm as she pulls up.

[00:17–00:20 | Low-Angle Wide | Temporary Escape]
Lead pulls herself onto the first fire escape platform. Chest, belly, and knees cross the edge sequentially. Pursuers A, B, and C reach the ladder and look up. Lead stands and climbs higher, looking down with alarm rather than triumph. Camera tilts up following her. Ends with the vibrating ladder, pursuers below, and a heavy musical strike.