Denver's Villa A year has passed and everyone is quite busy as they are preparing for the twins' first birthday. "Cassie, come! Let's help them there." Sheldon pulled Cassie's hand pointing in the direction of the venue of the twin's birthday. "Sheldon, don't run too fast. I'm gonna fall down." Cassie complained as Sheldon dragged her and run to join with the people doing the decorations. Sheldon stopped and faced Cassie. "Sorry, I am just excited for my siblings birthday." Sheldon said without releasing Cassie's hand. "By the way, is your Dad coming?" "Uhumm." Cassie replied and nodded. "Dad, just came back last night." "Yes, I saw you went out of the room." Cassie had a sleepover and slept with Sheldon at the latter's room. Sheldon always asked his parents for Cassie to slee