Nikki blames her brother, Derek, for their parents' death in a house fire, but when Derek gets involved with a gang, Nikki knows she is the only one who can save him. Enlisting the help of a girl named Rain, who uses her athletic abilities to carry out acts of petty thievery, Nikki uses all her gymnastic and free-running skills to stay ahead of the gang and keep her brother from being killed.
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