UNDERCOVER MARRIAGE: Harlequin comics

Someone murdered Eden’s sister, the only family she had left! So when Eden finds an invitation to a ball among the belongings her sister left behind, she poses as her sister, Helene, and sneaks into the party. When she does, she hears a familiar voice call out her name… The owner of that voice is her ex-fiancé, Hunter, who dumped her seven years ago. The two of them must pretend to be a married couple in order to investigate what happened to Helene, and as the fake kisses pile up, the fires of love are relit! They draw closer and closer to dangerous answers, but what will become of this couple who have been reunited by destiny?