Vikings! More specifically, the
War of Blood plot between two brothers.
Ronan and Ragnvard are brothers who are intent on destroying each other.
Synopsis: Ragnvard had their old Captain assassinated and took his place, plus tried to have Ronan killed. Ronan survived and wants revenge for the old captain and his own betrayal.
Ronan then starts to fall for a lioness but Ragnvard tries to usurp her favour, to get back at his brother. He later will plan to kidnap and kill the cubs Ronan fathers with the female in a fit of anger.
Edit: Oh yeah.. its in my sig. XD