Watch Castle Season 7 Episode 18 Online Streaming at CouchTuner. Castle 7×18 Online Free.
Detective Kevin Ryan is on the security detail of a charismatic congressman attending a charity event when shots suddenly ring out. Driven to apprehend the killer, Ryan must revisit the events that led up to the shooting, with the help of Castle and Beckett.
Watch It Here : Castle Season 7 Episode 18 At Close Range
