New FBI recruit Clara is abducted to an underground auction and bought by the mysterious Vittoria, who locks her in an ancient castle. Believing Clara to be her enemy, Vittoria keeps testing and tormenting her. As the truth unfolds, Clara finds she is just a pawn in mafia infighting, and past misunderstandings are all plots by rival forces. Torn between opposing stances and lingering affection, the two navigate countless dangers. When various factions clash, the former lovers are forced to team up — and a new round of confrontation has just begun.
