Complete story — includes the ending
The body of an ex-con turned a-capella singer is found during Martha's singing rehearsal and the team enters the world of competitive a-capella. Meanwhile, Castle and Beckett act infuriated towards each other in front of Ryan and Esposito, in an effort to maintain the facade of separation. However, this plan backfires and Castle and Beckett are forced to tell the boys that they are having respective affairs with a sexy Russian model named Svetlana, and a Dr. Livingstone.
Sources and content license
Source and revision history · Adapted from Wikipedia contributors, Castle season 8. HTML formatting and reference markers removed. · Content license