Silas's Mission at Saint-Sulpice

Silas follows the Teacher's orders to retrieve the keystone from Saint-Sulpice, only to find a false lead and a dead end.

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Silas Enters Saint-Sulpice

The Albino Monk's Arrival Gaining Entry Silas, an Opus Dei numerary, arrives at the Church of Saint-Sulpice. He has been told by the Teacher that the keystone is hidden there. He convinces Sister Sandrine, the church's caretaker, to let him in, claiming he wants to pray. Sister Sandrine is uneasy but allows him entry. The Rose Line Inside, Silas sees the famous brass line — the Rose Line — running across the floor. He knows the keystone is hidden beneath the Rose Line, near the obelisk. He prepares to retrieve it.

Breaking the Floor Tile

The Discovery Finding the Hollow Spot After praying, Silas locates a hollow-sounding tile near the base of the obelisk. He uses an iron candle stand to break the tile, revealing a compartment. Inside, he finds a stone tablet with only a Bible verse: Job 38:11. The Bible Verse Silas turns to the Bible on the altar and reads the verse: "Hitherto shalt thou come, but no further." He realizes he has been tricked — the brothers lied to him. The keystone is not here. In a rage, he kills Sister Sandrine, who had been watching from the balcony and was about to call for help.

Silas Reports to the Teacher

The Deception Revealed Confession Silas calls the Teacher, confessing that he was tricked and that the keystone is not at Saint-Sulpice. He fears he has failed the bishop and the mission. The Teacher, however, reveals that he has learned that Saunière transferred the keystone before dying, so there is still hope. Return to the Residence Hall Silas returns to the Opus Dei residence on Rue La Bruyère, where he performs corporal mortification to atone for his sins. He awaits further instructions, but the Teacher's plans are already shifting.

Late evening, after the Louvre murder

Later that night, inside Saint-Sulpice

After the Saint-Sulpice failure