When the owner of historic Drake's Magic Shop in New York is found drowned in Houdini's famous water torture tank, Castle and Beckett must delve into the world of magic, magicians and their secrets to find his killer. As part of their investigation, Castle & Beckett meet master magician Tobias Strange. Meanwhile, the magicians aren't the only ones keeping secrets, as a new romantic relationship is revealed for Esposito and Lanie.
Spoilers ahead. Coverage follows the scope labeled below.
Complete story — includes the ending
Beckett and Castle are called to a historic magic shop, one of their childhood hotspots, to investigate the murder of the owner, found suspended upside down in a tank of water. The trail leads back to a money-laundering scheme and an investigation into a questionable billionaire who was supposedly killed when his plane exploded over the Atlantic. Meanwhile, Lanie and Esposito try to keep a secret from the rest of the 12th Precinct and Castle struggles with his feelings for his ex-wife Gina.