Complex sentence: In his introductory episode, Ally viewed Mark as a threat to her own position at Cage & Fish and as an undesirable replacement for her recently deceases friend Billy so she treated him with open hostility, although this conflict was quickly resolved.
Split into simpler sentences: In his introductory episode, Ally viewed Mark as a threat to her own position at Cage & Fish and as an undesirable replacement for her recently deceased friend Billy. Because of this, she treated Mark with open hostility, although this conflict was quickly resolved.