SHOCK WAVE (3) by Dana Mentink: Journalist Sage Harrington is at the Imperial Opera House looking for her cousin Barbara. She is surprised to encounter Trey Black, a soldier she met in Afghanistan while covering a story. Barbara wanted to restore the opera house and Sage believes Barbara’s husband, Derick, has done something to her. Derick swears he is innocent, but Sage is able to convince Trey that something is amiss, especially when they uncover a dead body. An earthquake leaves them trapped in the opera house. Are they in there with a killer? The drama is steady in this overall average read.