Tears to Tiara S01 E11 Requiem

Rubrum has discovered the location of the castle of Avalon and some of the Gael tribe believe that Octavia may be in league with them. However, when one of the children is put in danger, Octavia proves her loyalty and helps the Gael tribe repay Rubrum for their last encounter. Octavia also faces off against Lydia for the last time.