When a champion swimmer and Olympic hopeful is found dead in a training pool, Castle and Beckett dive in to investigate his murder, and uncover myriad secrets that might have led to his death.
|Andrew Lawrence||Guest Star|
|Brendan Hines||Guest Star|
|Erik Palladino||Guest Star|
|Josie Loren||Guest Star|
|Justin Bruening||Guest Star|
|Kathleen Mary Carthy||Guest Star|
|Peter Parros||Guest Star|
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