Pam Grier is at baddest and kick-assingest in two of her best roles. In Coffy (1973/91 min.), she's an avenging angel hellbent on bringing down the drug pushers responsible for her sister's death. In Friday Foster (Yaphet Kotto. 1975/90 min.), see what develops when magazine photographer Pam uncovers a white supremacist assassination plot. 2 DVDs. Color/R/widescreen.