chunk: Issus, specifically to spite Carter, as Issus was aware that all three were in love with him. Carter and his men scramble to find the keys to their cell in time, but are unsuccessful. Immediately before their room closes, Phaidor attempts to kill Dejah Thoris, and her success or failure are left unknown. The story is thence continued in the third book of Burroughs’ Martian series, The Warlord of Mars.