Situated at the eastern edge of the village, on the road to Isernia, were built on roman ruins, partly reused in the construction. The church interior has two naves and preserves an altar in inlaid wood and pirografato and paintings by the artist Molise Trivisonno Amedeo, which narrate the events of the Martired Saints to whom the church is dedicated. The portals in bronze are the work of Alessandro Caetani.
Under the high altar there is the crypt where he was found the tomb of San Nicandro, near which is collected in a sump liquid a mysterious said "Manna of San Nicandro" which are attributed miraculous qualities. The Church is much frequented by devotees especially in the proximity of the patronal feasts of the Holy Martyrs.