Four soccer moms struggle to balance their busy schedules, family lives, and sanity: Meg, an overachieving people pleaser; Barbara, a recent divorcee; Rocky, a high-maintenance diva; and Connie, a curvaceous and big-hearted mother.

Life in the Catholic Church of the Holy Redeemer in Detroit is upset by a series of killings whose victims are all priests and nuns. All victims are found with a black rosary in their hands. Father Koesler begins collaborating with the police but soon finds himself in a spot when the killer decides to choose him as confessor.