Lena was actually happy that Clarice had come early and was going to be taking up Sam's time for a while. It meant that she would have time to focus on other things that needed her attention, but that he couldn't yet be aware of.
She had taken the time to ask Romeo investigate into the unknown number that had called her since she got the feeling that it was no accidental phone call. She also asked him to come and fetch if her father returned earlier than he had expected to.
