A complex story of revenge and family, follows Banshee, a freelance assassin, ambushed by the mercenary that killed her father.

Lonely, unstable gas station attendant Melinda is tired of being overshadowed by her more confident, outgoing co-worker Sheila. When the gas station is held up at gunpoint by Billy, a desperate man in need of quick cash, Melinda finds an opportunity to make a connection with the robber, regardless of who gets hurt.

A pair of childhood friends reunite during their summer break from college and deal with a traumatizing experience from their past.