Jessica and Jason arrived at the restaurant where Sam and Dorian had dined the previous night . The manager was well-known to Jason because he was a regular patron . " We are looking for friends of ours who dined here last night ," Jason started after greetings . "I'm sure you know Sam and my little sister ?" " Sure , I do , but why are you asking ?" The manager asked , quite surprised . " They left here some minutes to ten . You mean they aren't at home ?" " That is the point ," cut in Jessica . " His car is still in the garage and the maid said that she found the door open . Apparently , they never slept in the house ." " Were they drunk ?" Jason asked . " No , they were quite sober . I don't think one glass of champagne could make one drunk ." " Would you remember if they were ac

