On the algae planet, Tyrol is called to a mountain where he discovers a hidden temple.  Inside appears to be the Temple of Five which he recognizes from his father's teachings.  This temple is supposed to hold the path to Earth.  Meanwhile, the Cylons jump in-system with four Basestars and centurions land on the planet.  A delegation of Cylons comes aboard the Galactica including the original Boomer.  The Cylons want access to the Eye but Adama threatens to nuke the planet if they make a move.  Sharon learns from Boomer that her baby is still alive and on board a Basestar.