In the Season 3 finale of ABC's Castle
, Castle's boss died (R.I.P., Captain Montgomery!), he told his partner he loves her, and he almost put his own daughter in the line of fire. This guy is in need of some serious discipline! Enter Captain Victoria Gates (Penny Johnson Jerald
), whose nickname, "Iron Gates," says it all. It seems that Castle (Nathan Fillion
) is going to have a tough time being, well, Castle this season. "She's not warm ...