Andy and Nick look so happy but that won't last when Christian goes missing on Rookie Blue. "What I Lost" is the ninth episode of the show's fourth season.
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Rookie Blue Season 4 Episode 9 Quotes

Whatever the DNA test says, Christian is our son. The only thing that matters now is bringing him home.

Chris

Everyone was exactly where they needed to be to get the job done. That's what happens when you're in charge.

Sam